annotate third_party/luajit/src/lj_opt_sink.c @ 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 ** SINK: Allocation Sinking and Store Sinking.
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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
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6 #define lj_opt_sink_c
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7 #define LUA_CORE
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8
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9 #include "lj_obj.h"
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10
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11 #if LJ_HASJIT
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12
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13 #include "lj_ir.h"
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14 #include "lj_jit.h"
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15 #include "lj_iropt.h"
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16 #include "lj_target.h"
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17
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18 /* Some local macros to save typing. Undef'd at the end. */
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19 #define IR(ref) (&J->cur.ir[(ref)])
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20
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21 /* Check whether the store ref points to an eligible allocation. */
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22 static IRIns *sink_checkalloc(jit_State *J, IRIns *irs)
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23 {
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24 IRIns *ir = IR(irs->op1);
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25 if (!irref_isk(ir->op2))
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26 return NULL; /* Non-constant key. */
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27 if (ir->o == IR_HREFK || ir->o == IR_AREF)
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28 ir = IR(ir->op1);
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29 else if (!(ir->o == IR_HREF || ir->o == IR_NEWREF ||
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30 ir->o == IR_FREF || ir->o == IR_ADD))
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31 return NULL; /* Unhandled reference type (for XSTORE). */
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32 ir = IR(ir->op1);
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33 if (!(ir->o == IR_TNEW || ir->o == IR_TDUP || ir->o == IR_CNEW))
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34 return NULL; /* Not an allocation. */
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35 return ir; /* Return allocation. */
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36 }
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37
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38 /* Recursively check whether a value depends on a PHI. */
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39 static int sink_phidep(jit_State *J, IRRef ref, int *workp)
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40 {
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41 IRIns *ir = IR(ref);
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42 if (!*workp) return 1; /* Give up and pretend it does. */
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43 (*workp)--;
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44 if (irt_isphi(ir->t)) return 1;
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45 if (ir->op1 >= REF_FIRST && sink_phidep(J, ir->op1, workp)) return 1;
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46 if (ir->op2 >= REF_FIRST && sink_phidep(J, ir->op2, workp)) return 1;
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47 return 0;
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48 }
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49
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50 /* Check whether a value is a sinkable PHI or loop-invariant. */
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51 static int sink_checkphi(jit_State *J, IRIns *ira, IRRef ref)
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52 {
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53 if (ref >= REF_FIRST) {
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54 IRIns *ir = IR(ref);
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55 if (irt_isphi(ir->t) || (ir->o == IR_CONV && ir->op2 == IRCONV_NUM_INT &&
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56 irt_isphi(IR(ir->op1)->t))) {
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57 ira->prev++;
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58 return 1; /* Sinkable PHI. */
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59 }
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60 /* Otherwise the value must be loop-invariant. */
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61 if (ref < J->loopref) {
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62 /* Check for PHI dependencies, but give up after reasonable effort. */
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63 int work = 64;
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64 return !sink_phidep(J, ref, &work);
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65 } else {
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66 return 0; /* Loop-variant. */
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67 }
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68 }
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69 return 1; /* Constant (non-PHI). */
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70 }
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71
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72 /* Mark non-sinkable allocations using single-pass backward propagation.
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73 **
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74 ** Roots for the marking process are:
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75 ** - Some PHIs or snapshots (see below).
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76 ** - Non-PHI, non-constant values stored to PHI allocations.
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77 ** - All guards.
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78 ** - Any remaining loads not eliminated by store-to-load forwarding.
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79 ** - Stores with non-constant keys.
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80 ** - All stored values.
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81 */
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82 static void sink_mark_ins(jit_State *J)
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83 {
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84 IRIns *ir, *irlast = IR(J->cur.nins-1);
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85 for (ir = irlast ; ; ir--) {
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86 switch (ir->o) {
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87 case IR_BASE:
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88 return; /* Finished. */
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89 case IR_ALOAD: case IR_HLOAD: case IR_XLOAD: case IR_TBAR: case IR_ALEN:
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90 irt_setmark(IR(ir->op1)->t); /* Mark ref for remaining loads. */
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91 break;
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92 case IR_FLOAD:
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93 if (irt_ismarked(ir->t) || ir->op2 == IRFL_TAB_META)
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94 irt_setmark(IR(ir->op1)->t); /* Mark table for remaining loads. */
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95 break;
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96 case IR_ASTORE: case IR_HSTORE: case IR_FSTORE: case IR_XSTORE: {
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97 IRIns *ira = sink_checkalloc(J, ir);
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98 if (!ira || (irt_isphi(ira->t) && !sink_checkphi(J, ira, ir->op2)))
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99 irt_setmark(IR(ir->op1)->t); /* Mark ineligible ref. */
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100 irt_setmark(IR(ir->op2)->t); /* Mark stored value. */
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101 break;
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102 }
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103 #if LJ_HASFFI
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104 case IR_CNEWI:
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105 if (irt_isphi(ir->t) &&
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106 (!sink_checkphi(J, ir, ir->op2) ||
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107 (LJ_32 && ir+1 < irlast && (ir+1)->o == IR_HIOP &&
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108 !sink_checkphi(J, ir, (ir+1)->op2))))
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109 irt_setmark(ir->t); /* Mark ineligible allocation. */
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110 #endif
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111 /* fallthrough */
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112 case IR_USTORE:
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113 irt_setmark(IR(ir->op2)->t); /* Mark stored value. */
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114 break;
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115 #if LJ_HASFFI
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116 case IR_CALLXS:
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117 #endif
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118 case IR_CALLS:
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119 irt_setmark(IR(ir->op1)->t); /* Mark (potentially) stored values. */
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120 break;
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121 case IR_PHI: {
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122 IRIns *irl = IR(ir->op1), *irr = IR(ir->op2);
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123 irl->prev = irr->prev = 0; /* Clear PHI value counts. */
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124 if (irl->o == irr->o &&
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
125 (irl->o == IR_TNEW || irl->o == IR_TDUP ||
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
126 (LJ_HASFFI && (irl->o == IR_CNEW || irl->o == IR_CNEWI))))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
127 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
128 irt_setmark(irl->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 irt_setmark(irr->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
130 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 default:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 if (irt_ismarked(ir->t) || irt_isguard(ir->t)) { /* Propagate mark. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 if (ir->op1 >= REF_FIRST) irt_setmark(IR(ir->op1)->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 if (ir->op2 >= REF_FIRST) irt_setmark(IR(ir->op2)->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 /* Mark all instructions referenced by a snapshot. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 static void sink_mark_snap(jit_State *J, SnapShot *snap)
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 SnapEntry *map = &J->cur.snapmap[snap->mapofs];
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 MSize n, nent = snap->nent;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 for (n = 0; n < nent; n++) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 IRRef ref = snap_ref(map[n]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 if (!irref_isk(ref))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 irt_setmark(IR(ref)->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 /* Iteratively remark PHI refs with differing marks or PHI value counts. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 static void sink_remark_phi(jit_State *J)
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 IRIns *ir;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 int remark;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 do {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 remark = 0;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 for (ir = IR(J->cur.nins-1); ir->o == IR_PHI; ir--) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 IRIns *irl = IR(ir->op1), *irr = IR(ir->op2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 if (!((irl->t.irt ^ irr->t.irt) & IRT_MARK) && irl->prev == irr->prev)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 continue;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 remark |= (~(irl->t.irt & irr->t.irt) & IRT_MARK);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 irt_setmark(IR(ir->op1)->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 irt_setmark(IR(ir->op2)->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 } while (remark);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 /* Sweep instructions and tag sunken allocations and stores. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 static void sink_sweep_ins(jit_State *J)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 IRIns *ir, *irbase = IR(REF_BASE);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 for (ir = IR(J->cur.nins-1) ; ir >= irbase; ir--) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 switch (ir->o) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 case IR_ASTORE: case IR_HSTORE: case IR_FSTORE: case IR_XSTORE: {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 IRIns *ira = sink_checkalloc(J, ir);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 if (ira && !irt_ismarked(ira->t)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 int delta = (int)(ir - ira);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 ir->prev = REGSP(RID_SINK, delta > 255 ? 255 : delta);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 ir->prev = REGSP_INIT;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 break;
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 case IR_NEWREF:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 if (!irt_ismarked(IR(ir->op1)->t)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 ir->prev = REGSP(RID_SINK, 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 irt_clearmark(ir->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 ir->prev = REGSP_INIT;
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 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 #if LJ_HASFFI
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 case IR_CNEW: case IR_CNEWI:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 case IR_TNEW: case IR_TDUP:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 if (!irt_ismarked(ir->t)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 ir->t.irt &= ~IRT_GUARD;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 ir->prev = REGSP(RID_SINK, 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 J->cur.sinktags = 1; /* Signal present SINK tags to assembler. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 irt_clearmark(ir->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 ir->prev = REGSP_INIT;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 case IR_PHI: {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 IRIns *ira = IR(ir->op2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 if (!irt_ismarked(ira->t) &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 (ira->o == IR_TNEW || ira->o == IR_TDUP ||
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 (LJ_HASFFI && (ira->o == IR_CNEW || ira->o == IR_CNEWI)))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 ir->prev = REGSP(RID_SINK, 0);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 ir->prev = REGSP_INIT;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 default:
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 irt_clearmark(ir->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 ir->prev = REGSP_INIT;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 for (ir = IR(J->cur.nk); ir < irbase; ir++) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 irt_clearmark(ir->t);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 ir->prev = REGSP_INIT;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229 /* The false-positive of irt_is64() for ASMREF_L (REF_NIL) is OK here. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 if (irt_is64(ir->t) && ir->o != IR_KNULL)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 ir++;
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 /* Allocation sinking and store sinking.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 **
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 ** 1. Mark all non-sinkable allocations.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 ** 2. Then sink all remaining allocations and the related stores.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 void lj_opt_sink(jit_State *J)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 const uint32_t need = (JIT_F_OPT_SINK|JIT_F_OPT_FWD|
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243 JIT_F_OPT_DCE|JIT_F_OPT_CSE|JIT_F_OPT_FOLD);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 if ((J->flags & need) == need &&
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 (J->chain[IR_TNEW] || J->chain[IR_TDUP] ||
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 (LJ_HASFFI && (J->chain[IR_CNEW] || J->chain[IR_CNEWI])))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 if (!J->loopref)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248 sink_mark_snap(J, &J->cur.snap[J->cur.nsnap-1]);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 sink_mark_ins(J);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250 if (J->loopref)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 sink_remark_phi(J);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 sink_sweep_ins(J);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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254 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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255
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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256 #undef IR
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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257
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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258 #endif