Reviewers: Weiliang,
Message:
PTAL
Description:
X87: [turbofan] Fix kArchTailCallCodeObject on ia32/x64.
port ec9bc7947399e29429c3bdeaff070db2a4cc92f4 (r29949).
original commit message:
Previously these instructions tried to jump to the value at the code
entry's
location, rather than jumping to this location. Also adds a test.
BUG=
Please review this at https://codereview.chromium.org/1256163003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+2, -1 lines):
M src/compiler/x87/code-generator-x87.cc
Index: src/compiler/x87/code-generator-x87.cc
diff --git a/src/compiler/x87/code-generator-x87.cc
b/src/compiler/x87/code-generator-x87.cc
index
bd984113f74179496bfccdb6855e5dfd4403fec2..c274610226e99aba784dfa58e965a401138318da
100644
--- a/src/compiler/x87/code-generator-x87.cc
+++ b/src/compiler/x87/code-generator-x87.cc
@@ -338,7 +338,8 @@ void
CodeGenerator::AssembleArchInstruction(Instruction* instr) {
__ jmp(code, RelocInfo::CODE_TARGET);
} else {
Register reg = i.InputRegister(0);
- __ jmp(Operand(reg, Code::kHeaderSize - kHeapObjectTag));
+ __ add(reg, Immediate(Code::kHeaderSize - kHeapObjectTag));
+ __ jmp(reg);
}
break;
}
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