annotate third_party/luajit/src/lj_emit_arm64.h @ 279:b3b547563ec7

Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
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1 /*
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2 ** ARM64 instruction emitter.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 **
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5 ** Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
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6 ** Sponsored by Cisco Systems, Inc.
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7 */
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8
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9 /* -- Constant encoding --------------------------------------------------- */
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10
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11 static uint64_t get_k64val(ASMState *as, IRRef ref)
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12 {
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13 IRIns *ir = IR(ref);
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14 if (ir->o == IR_KINT64) {
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15 return ir_kint64(ir)->u64;
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16 } else if (ir->o == IR_KGC) {
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17 return (uint64_t)ir_kgc(ir);
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18 } else if (ir->o == IR_KPTR || ir->o == IR_KKPTR) {
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19 return (uint64_t)ir_kptr(ir);
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20 } else {
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21 lj_assertA(ir->o == IR_KINT || ir->o == IR_KNULL,
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22 "bad 64 bit const IR op %d", ir->o);
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23 return ir->i; /* Sign-extended. */
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24 }
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25 }
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26
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27 /* Encode constant in K12 format for data processing instructions. */
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28 static uint32_t emit_isk12(int64_t n)
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29 {
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30 uint64_t k = n < 0 ? ~(uint64_t)n+1u : (uint64_t)n;
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31 uint32_t m = n < 0 ? 0x40000000 : 0;
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32 if (k < 0x1000) {
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33 return A64I_K12|m|A64F_U12(k);
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34 } else if ((k & 0xfff000) == k) {
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35 return A64I_K12|m|0x400000|A64F_U12(k>>12);
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36 }
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37 return 0;
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38 }
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39
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40 #define emit_clz64(n) __builtin_clzll(n)
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41 #define emit_ctz64(n) __builtin_ctzll(n)
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42
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43 /* Encode constant in K13 format for logical data processing instructions. */
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44 static uint32_t emit_isk13(uint64_t n, int is64)
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45 {
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46 int inv = 0, w = 128, lz, tz;
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47 if (n & 1) { n = ~n; w = 64; inv = 1; } /* Avoid wrap-around of ones. */
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48 if (!n) return 0; /* Neither all-zero nor all-ones are allowed. */
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49 do { /* Find the repeat width. */
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50 if (is64 && (uint32_t)(n^(n>>32))) break;
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51 n = (uint32_t)n;
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52 if (!n) return 0; /* Ditto when passing n=0xffffffff and is64=0. */
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53 w = 32; if ((n^(n>>16)) & 0xffff) break;
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54 n = n & 0xffff; w = 16; if ((n^(n>>8)) & 0xff) break;
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55 n = n & 0xff; w = 8; if ((n^(n>>4)) & 0xf) break;
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56 n = n & 0xf; w = 4; if ((n^(n>>2)) & 0x3) break;
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57 n = n & 0x3; w = 2;
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58 } while (0);
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59 lz = emit_clz64(n);
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60 tz = emit_ctz64(n);
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61 if ((int64_t)(n << lz) >> (lz+tz) != -1ll) return 0; /* Non-contiguous? */
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62 if (inv)
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63 return A64I_K13 | (((lz-w) & 127) << 16) | (((lz+tz-w-1) & 63) << 10);
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64 else
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65 return A64I_K13 | ((w-tz) << 16) | (((63-lz-tz-w-w) & 63) << 10);
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66 }
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67
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68 static uint32_t emit_isfpk64(uint64_t n)
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69 {
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70 uint64_t etop9 = ((n >> 54) & 0x1ff);
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71 if ((n << 16) == 0 && (etop9 == 0x100 || etop9 == 0x0ff)) {
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72 return (uint32_t)(((n >> 48) & 0x7f) | ((n >> 56) & 0x80));
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73 }
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74 return ~0u;
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75 }
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76
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77 /* -- Emit basic instructions --------------------------------------------- */
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78
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79 static void emit_dnma(ASMState *as, A64Ins ai, Reg rd, Reg rn, Reg rm, Reg ra)
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80 {
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81 *--as->mcp = ai | A64F_D(rd) | A64F_N(rn) | A64F_M(rm) | A64F_A(ra);
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82 }
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83
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84 static void emit_dnm(ASMState *as, A64Ins ai, Reg rd, Reg rn, Reg rm)
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85 {
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86 *--as->mcp = ai | A64F_D(rd) | A64F_N(rn) | A64F_M(rm);
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87 }
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88
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89 static void emit_dm(ASMState *as, A64Ins ai, Reg rd, Reg rm)
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90 {
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91 *--as->mcp = ai | A64F_D(rd) | A64F_M(rm);
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92 }
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93
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94 static void emit_dn(ASMState *as, A64Ins ai, Reg rd, Reg rn)
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95 {
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96 *--as->mcp = ai | A64F_D(rd) | A64F_N(rn);
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97 }
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98
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99 static void emit_nm(ASMState *as, A64Ins ai, Reg rn, Reg rm)
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100 {
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101 *--as->mcp = ai | A64F_N(rn) | A64F_M(rm);
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102 }
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103
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104 static void emit_d(ASMState *as, A64Ins ai, Reg rd)
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105 {
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106 *--as->mcp = ai | A64F_D(rd);
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107 }
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108
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109 static void emit_n(ASMState *as, A64Ins ai, Reg rn)
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110 {
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111 *--as->mcp = ai | A64F_N(rn);
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112 }
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113
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114 static int emit_checkofs(A64Ins ai, int64_t ofs)
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115 {
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116 int scale = (ai >> 30) & 3;
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117 if (ofs < 0 || (ofs & ((1<<scale)-1))) {
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118 return (ofs >= -256 && ofs <= 255) ? -1 : 0;
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119 } else {
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120 return (ofs < (4096<<scale)) ? 1 : 0;
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121 }
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122 }
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123
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
124 static void emit_lso(ASMState *as, A64Ins ai, Reg rd, Reg rn, int64_t ofs)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
125 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
126 int ot = emit_checkofs(ai, ofs), sc = (ai >> 30) & 3;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
127 lj_assertA(ot, "load/store offset %d out of range", ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
128 /* Combine LDR/STR pairs to LDP/STP. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 if ((sc == 2 || sc == 3) &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
130 (!(ai & 0x400000) || rd != rn) &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 as->mcp != as->mcloop) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 uint32_t prev = *as->mcp & ~A64F_D(31);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 int ofsm = ofs - (1<<sc), ofsp = ofs + (1<<sc);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 A64Ins aip;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 if (prev == (ai | A64F_N(rn) | A64F_U12(ofsm>>sc)) ||
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 prev == ((ai^A64I_LS_U) | A64F_N(rn) | A64F_S9(ofsm&0x1ff))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 aip = (A64F_A(rd) | A64F_D(*as->mcp & 31));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 } else if (prev == (ai | A64F_N(rn) | A64F_U12(ofsp>>sc)) ||
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 prev == ((ai^A64I_LS_U) | A64F_N(rn) | A64F_S9(ofsp&0x1ff))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 aip = (A64F_D(rd) | A64F_A(*as->mcp & 31));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 ofsm = ofs;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 goto nopair;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 if (ofsm >= (int)((unsigned int)-64<<sc) && ofsm <= (63<<sc)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 *as->mcp = aip | A64F_N(rn) | (((ofsm >> sc) & 0x7f) << 15) |
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 (ai ^ ((ai == A64I_LDRx || ai == A64I_STRx) ? 0x50000000 : 0x90000000));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 return;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 nopair:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 if (ot == 1)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 *--as->mcp = ai | A64F_D(rd) | A64F_N(rn) | A64F_U12(ofs >> sc);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 *--as->mcp = (ai^A64I_LS_U) | A64F_D(rd) | A64F_N(rn) | A64F_S9(ofs & 0x1ff);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 /* -- Emit loads/stores --------------------------------------------------- */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 /* Prefer rematerialization of BASE/L from global_State over spills. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 #define emit_canremat(ref) ((ref) <= ASMREF_L)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 /* Try to find an N-step delta relative to other consts with N < lim. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 static int emit_kdelta(ASMState *as, Reg rd, uint64_t k, int lim)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 RegSet work = (~as->freeset & RSET_GPR) | RID2RSET(RID_GL);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 if (lim <= 1) return 0; /* Can't beat that. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 while (work) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 Reg r = rset_picktop(work);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170 IRRef ref = regcost_ref(as->cost[r]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 lj_assertA(r != rd, "dest reg %d not free", rd);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 if (ref < REF_TRUE) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 uint64_t kx = ra_iskref(ref) ? (uint64_t)ra_krefk(as, ref) :
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 get_k64val(as, ref);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 int64_t delta = (int64_t)(k - kx);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 if (delta == 0) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 emit_dm(as, A64I_MOVx, rd, r);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 uint32_t k12 = emit_isk12(delta < 0 ? (int64_t)(~(uint64_t)delta+1u) : delta);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 if (k12) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 emit_dn(as, (delta < 0 ? A64I_SUBx : A64I_ADDx)^k12, rd, r);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 /* Do other ops or multi-step deltas pay off? Probably not.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 ** E.g. XOR rarely helps with pointer consts.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 rset_clear(work, r);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 return 0; /* Failed. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195 static void emit_loadk(ASMState *as, Reg rd, uint64_t u64, int is64)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 int i, zeros = 0, ones = 0, neg;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 if (!is64) u64 = (int64_t)(int32_t)u64; /* Sign-extend. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 /* Count homogeneous 16 bit fragments. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 for (i = 0; i < 4; i++) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 uint64_t frag = (u64 >> i*16) & 0xffff;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 zeros += (frag == 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 ones += (frag == 0xffff);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 neg = ones > zeros; /* Use MOVN if it pays off. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 if ((neg ? ones : zeros) < 3) { /* Need 2+ ins. Try shorter K13 encoding. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 uint32_t k13 = emit_isk13(u64, is64);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 if (k13) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 emit_dn(as, (is64|A64I_ORRw)^k13, rd, RID_ZERO);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 return;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 if (!emit_kdelta(as, rd, u64, 4 - (neg ? ones : zeros))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 int shift = 0, lshift = 0;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 uint64_t n64 = neg ? ~u64 : u64;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 if (n64 != 0) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 /* Find first/last fragment to be filled. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 shift = (63-emit_clz64(n64)) & ~15;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 lshift = emit_ctz64(n64) & ~15;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 /* MOVK requires the original value (u64). */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 while (shift > lshift) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 uint32_t u16 = (u64 >> shift) & 0xffff;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 /* Skip fragments that are correctly filled by MOVN/MOVZ. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 if (u16 != (neg ? 0xffff : 0))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 emit_d(as, is64 | A64I_MOVKw | A64F_U16(u16) | A64F_LSL16(shift), rd);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 shift -= 16;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229 /* But MOVN needs an inverted value (n64). */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 emit_d(as, (neg ? A64I_MOVNx : A64I_MOVZx) |
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 A64F_U16((n64 >> lshift) & 0xffff) | A64F_LSL16(lshift), rd);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 /* Load a 32 bit constant into a GPR. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 #define emit_loadi(as, rd, i) emit_loadk(as, rd, i, 0)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 /* Load a 64 bit constant into a GPR. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 #define emit_loadu64(as, rd, i) emit_loadk(as, rd, i, A64I_X)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 #define emit_loada(as, r, addr) emit_loadu64(as, (r), (uintptr_t)(addr))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243 #define glofs(as, k) \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 ((intptr_t)((uintptr_t)(k) - (uintptr_t)&J2GG(as->J)->g))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 #define mcpofs(as, k) \
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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246 ((intptr_t)((uintptr_t)(k) - (uintptr_t)(as->mcp - 1)))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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247 #define checkmcpofs(as, k) \
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248 (A64F_S_OK(mcpofs(as, k)>>2, 19))
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249
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250 static Reg ra_allock(ASMState *as, intptr_t k, RegSet allow);
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251
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252 /* Get/set from constant pointer. */
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253 static void emit_lsptr(ASMState *as, A64Ins ai, Reg r, void *p)
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254 {
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255 /* First, check if ip + offset is in range. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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256 if ((ai & 0x00400000) && checkmcpofs(as, p)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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257 emit_d(as, A64I_LDRLx | A64F_S19(mcpofs(as, p)>>2), r);
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258 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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259 Reg base = RID_GL; /* Next, try GL + offset. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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260 int64_t ofs = glofs(as, p);
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261 if (!emit_checkofs(ai, ofs)) { /* Else split up into base reg + offset. */
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262 int64_t i64 = i64ptr(p);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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263 base = ra_allock(as, (i64 & ~0x7fffull), rset_exclude(RSET_GPR, r));
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264 ofs = i64 & 0x7fffull;
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265 }
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266 emit_lso(as, ai, r, base, ofs);
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267 }
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268 }
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269
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270 /* Load 64 bit IR constant into register. */
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271 static void emit_loadk64(ASMState *as, Reg r, IRIns *ir)
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272 {
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273 const uint64_t *k = &ir_k64(ir)->u64;
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274 int64_t ofs;
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275 if (r >= RID_MAX_GPR) {
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276 uint32_t fpk = emit_isfpk64(*k);
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277 if (fpk != ~0u) {
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278 emit_d(as, A64I_FMOV_DI | A64F_FP8(fpk), (r & 31));
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279 return;
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280 }
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281 }
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282 ofs = glofs(as, k);
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MrJuneJune <me@mrjunejune.com>
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diff changeset
283 if (emit_checkofs(A64I_LDRx, ofs)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
284 emit_lso(as, r >= RID_MAX_GPR ? A64I_LDRd : A64I_LDRx,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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285 (r & 31), RID_GL, ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
286 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
287 if (r >= RID_MAX_GPR) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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288 emit_dn(as, A64I_FMOV_D_R, (r & 31), RID_TMP);
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diff changeset
289 r = RID_TMP;
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290 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
291 if (checkmcpofs(as, k))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
292 emit_d(as, A64I_LDRLx | A64F_S19(mcpofs(as, k)>>2), r);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
293 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
294 emit_loadu64(as, r, *k);
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diff changeset
295 }
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296 }
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297
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diff changeset
298 /* Get/set global_State fields. */
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diff changeset
299 #define emit_getgl(as, r, field) \
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300 emit_lsptr(as, A64I_LDRx, (r), (void *)&J2G(as->J)->field)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
301 #define emit_setgl(as, r, field) \
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diff changeset
302 emit_lsptr(as, A64I_STRx, (r), (void *)&J2G(as->J)->field)
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diff changeset
303
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
304 /* Trace number is determined from pc of exit instruction. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
305 #define emit_setvmstate(as, i) UNUSED(i)
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diff changeset
306
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
307 /* -- Emit control-flow instructions -------------------------------------- */
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diff changeset
308
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diff changeset
309 /* Label for internal jumps. */
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diff changeset
310 typedef MCode *MCLabel;
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diff changeset
311
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diff changeset
312 /* Return label pointing to current PC. */
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313 #define emit_label(as) ((as)->mcp)
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diff changeset
314
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diff changeset
315 static void emit_cond_branch(ASMState *as, A64CC cond, MCode *target)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
316 {
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317 MCode *p = --as->mcp;
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318 ptrdiff_t delta = target - p;
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diff changeset
319 lj_assertA(A64F_S_OK(delta, 19), "branch target out of range");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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320 *p = A64I_BCC | A64F_S19(delta) | cond;
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diff changeset
321 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
322
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
323 static void emit_branch(ASMState *as, A64Ins ai, MCode *target)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
324 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
325 MCode *p = --as->mcp;
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diff changeset
326 ptrdiff_t delta = target - p;
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diff changeset
327 lj_assertA(A64F_S_OK(delta, 26), "branch target out of range");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
328 *p = ai | A64F_S26(delta);
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diff changeset
329 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
330
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
331 static void emit_tnb(ASMState *as, A64Ins ai, Reg r, uint32_t bit, MCode *target)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
332 {
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MrJuneJune <me@mrjunejune.com>
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diff changeset
333 MCode *p = --as->mcp;
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diff changeset
334 ptrdiff_t delta = target - p;
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diff changeset
335 lj_assertA(bit < 63, "bit number out of range");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
336 lj_assertA(A64F_S_OK(delta, 14), "branch target out of range");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
337 if (bit > 31) ai |= A64I_X;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
338 *p = ai | A64F_BIT(bit & 31) | A64F_S14(delta) | r;
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diff changeset
339 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
340
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
341 static void emit_cnb(ASMState *as, A64Ins ai, Reg r, MCode *target)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
342 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
343 MCode *p = --as->mcp;
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diff changeset
344 ptrdiff_t delta = target - p;
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diff changeset
345 lj_assertA(A64F_S_OK(delta, 19), "branch target out of range");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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346 *p = ai | A64F_S19(delta) | r;
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diff changeset
347 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
348
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diff changeset
349 #define emit_jmp(as, target) emit_branch(as, A64I_B, (target))
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parents:
diff changeset
350
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diff changeset
351 static void emit_call(ASMState *as, ASMFunction target)
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diff changeset
352 {
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diff changeset
353 MCode *p = --as->mcp;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
354 #if LJ_ABI_PAUTH
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MrJuneJune <me@mrjunejune.com>
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diff changeset
355 char *targetp = ptrauth_auth_data((char *)target,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
356 ptrauth_key_function_pointer, 0);
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diff changeset
357 #else
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diff changeset
358 char *targetp = (char *)target;
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parents:
diff changeset
359 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
360 ptrdiff_t delta = targetp - (char *)p;
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parents:
diff changeset
361 if (A64F_S_OK(delta>>2, 26)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
362 *p = A64I_BL | A64F_S26(delta>>2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
363 } else { /* Target out of range: need indirect call. But don't use R0-R7. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
364 Reg r = ra_allock(as, i64ptr(target),
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
365 RSET_RANGE(RID_X8, RID_MAX_GPR)-RSET_FIXED);
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parents:
diff changeset
366 *p = A64I_BLR_AUTH | A64F_N(r);
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parents:
diff changeset
367 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
368 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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parents:
diff changeset
369
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
370 /* -- Emit generic operations --------------------------------------------- */
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parents:
diff changeset
371
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
372 /* Generic move between two regs. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
373 static void emit_movrr(ASMState *as, IRIns *ir, Reg dst, Reg src)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
374 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
375 if (dst >= RID_MAX_GPR) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
376 emit_dn(as, irt_isnum(ir->t) ? A64I_FMOV_D : A64I_FMOV_S,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
377 (dst & 31), (src & 31));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
378 return;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
379 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
380 if (as->mcp != as->mcloop) { /* Swap early registers for loads/stores. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
381 MCode ins = *as->mcp, swp = (src^dst);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
382 if ((ins & 0xbf800000) == 0xb9000000) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
383 if (!((ins ^ (dst << 5)) & 0x000003e0))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
384 *as->mcp = ins ^ (swp << 5); /* Swap N in load/store. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
385 if (!(ins & 0x00400000) && !((ins ^ dst) & 0x0000001f))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
386 *as->mcp = ins ^ swp; /* Swap D in store. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
387 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
388 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
389 emit_dm(as, A64I_MOVx, dst, src);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
390 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
391
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
392 /* Generic load of register with base and (small) offset address. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
393 static void emit_loadofs(ASMState *as, IRIns *ir, Reg r, Reg base, int32_t ofs)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
394 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
395 if (r >= RID_MAX_GPR)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
396 emit_lso(as, irt_isnum(ir->t) ? A64I_LDRd : A64I_LDRs, (r & 31), base, ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
397 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
398 emit_lso(as, irt_is64(ir->t) ? A64I_LDRx : A64I_LDRw, r, base, ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
399 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
400
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
401 /* Generic store of register with base and (small) offset address. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
402 static void emit_storeofs(ASMState *as, IRIns *ir, Reg r, Reg base, int32_t ofs)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
403 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
404 if (r >= RID_MAX_GPR)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
405 emit_lso(as, irt_isnum(ir->t) ? A64I_STRd : A64I_STRs, (r & 31), base, ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
406 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
407 emit_lso(as, irt_is64(ir->t) ? A64I_STRx : A64I_STRw, r, base, ofs);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
408 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
409
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
410 /* Emit an arithmetic operation with a constant operand. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
411 static void emit_opk(ASMState *as, A64Ins ai, Reg dest, Reg src,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
412 int32_t i, RegSet allow)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
413 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
414 uint32_t k = emit_isk12(i);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
415 if (k)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
416 emit_dn(as, ai^k, dest, src);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
417 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
418 emit_dnm(as, ai, dest, src, ra_allock(as, i, allow));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
419 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
420
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
421 /* Add offset to pointer. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
422 static void emit_addptr(ASMState *as, Reg r, int32_t ofs)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
423 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
424 if (ofs)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
425 emit_opk(as, ofs < 0 ? A64I_SUBx : A64I_ADDx, r, r,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
426 ofs < 0 ? (int32_t)(~(uint32_t)ofs+1u) : ofs,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
427 rset_exclude(RSET_GPR, r));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
428 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
429
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
430 #define emit_spsub(as, ofs) emit_addptr(as, RID_SP, -(ofs))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
431