src/ia32/lithium-ia32.cc - Issue 14895019: Fix code gen bug on arm and mips; SeqStringSetChar overwrites a register; Add better default PrintD…

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Unified Diff: src/ia32/lithium-ia32.cc

Issue 14895019: Fix code gen bug on arm and mips; SeqStringSetChar overwrites a register; Add better default PrintD… (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Turn late dead code elimination back on. Created 7 years, 7 months ago

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Index: src/ia32/lithium-ia32.cc

diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc

index f10ab25bc79d7013fc430df6206126cd470deca1..2a4b3f80ba27076554a0944480a027d13192e3c9 100644

--- a/src/ia32/lithium-ia32.cc

+++ b/src/ia32/lithium-ia32.cc

@@ -1840,6 +1840,7 @@ LInstruction* LChunkBuilder::DoSeqStringSetChar(HSeqStringSetChar* instr) {

LOperand* string = UseRegister(instr->string());

LOperand* index = UseRegister(instr->index());

ASSERT(ecx.is_byte_register());

+ // TODO(titzer): the machine code for this instruction overwrites ecx! fix!

LOperand* value = UseFixed(instr->value(), ecx);

LSeqStringSetChar* result =

new(zone()) LSeqStringSetChar(instr->encoding(), string, index, value);

« src/hydrogen-instructions.cc ('K') | « src/hydrogen-instructions.cc ('k') | src/mips/lithium-mips.cc » ('j') | test/mjsunit/regress/regress-seqstrsetchar-ex1.js » ('J')