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fix offset computation in compareCR and compareCM

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This commit is contained in:
Joel Dice 2008-05-15 18:34:48 -06:00
parent 7f72a6469d
commit d7fc4aa438
1 changed files with 12 additions and 2 deletions
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14
src/x86.cpp
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@ -1596,9 +1596,14 @@ compareCR(Context* c, unsigned size, Assembler::Constant* a,
// bits; otherwise, we jump past that comparison // bits; otherwise, we jump past that comparison
c->code.append(0x0f); c->code.append(0x0f);
c->code.append(0x85); // jne c->code.append(0x85); // jne
c->code.append4(2);
unsigned comparisonOffset = c->code.length();
c->code.append4(0);
compareCR(c, 4, &al, b); compareCR(c, 4, &al, b);
int32_t comparisonSize = c->code.length() - comparisonOffset - 4;
c->code.set(comparisonOffset, &comparisonSize, 4);
} else { } else {
if (isInt32(v)) { if (isInt32(v)) {
if (size == 8) rex(c); if (size == 8) rex(c);
@ -1641,9 +1646,14 @@ compareCM(Context* c, unsigned size, Assembler::Constant* a,
// bits; otherwise, we jump past that comparison // bits; otherwise, we jump past that comparison
c->code.append(0x0f); c->code.append(0x0f);
c->code.append(0x85); // jne c->code.append(0x85); // jne
c->code.append4(2);
unsigned comparisonOffset = c->code.length();
c->code.append4(0);
compareCM(c, 4, &al, b); compareCM(c, 4, &al, b);
int32_t comparisonSize = c->code.length() - comparisonOffset - 4;
c->code.set(comparisonOffset, &comparisonSize, 4);
} else { } else {
encode(c, isInt8(v) ? 0x83 : 0x81, 7, b, true); encode(c, isInt8(v) ? 0x83 : 0x81, 7, b, true);