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Bug 1301400: Baseline Wasm Compiler: Part 18: Implement LoadGlobalVarI64 and StoreGlobalVarI64, r=lth

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This commit is contained in:
h4writer 2016-09-29 22:33:23 +02:00
parent 1868b7b280
commit 7104bddbcc
1 changed files with 10 additions and 2 deletions
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12
js/src/asmjs/WasmBaselineCompile.cpp
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@ -2880,11 +2880,14 @@ class BaseCompiler
void loadGlobalVarI64(unsigned globalDataOffset, RegI64 r)
{
#if defined(JS_CODEGEN_X64)
#if defined(JS_PUNBOX64)
CodeOffset label = masm.loadRipRelativeInt64(r.reg.reg);
masm.append(GlobalAccess(label, globalDataOffset));
#else
MOZ_CRASH("BaseCompiler platform hook: loadGlobalVarI64");
CodeOffset labelLow = masm.movlWithPatch(PatchedAbsoluteAddress(), r.reg.low);
masm.append(GlobalAccess(labelLow, globalDataOffset + INT64LOW_OFFSET));
CodeOffset labelHigh = masm.movlWithPatch(PatchedAbsoluteAddress(), r.reg.high);
masm.append(GlobalAccess(labelHigh, globalDataOffset + INT64HIGH_OFFSET));
#endif
}
@ -2934,6 +2937,11 @@ class BaseCompiler
#if defined(JS_CODEGEN_X64)
CodeOffset label = masm.storeRipRelativeInt64(r.reg.reg);
masm.append(GlobalAccess(label, globalDataOffset));
#elif defined(JS_CODEGEN_X86)
CodeOffset labelLow = masm.movlWithPatch(r.reg.low, PatchedAbsoluteAddress());
masm.append(GlobalAccess(labelLow, globalDataOffset + INT64LOW_OFFSET));
CodeOffset labelHigh = masm.movlWithPatch(r.reg.high, PatchedAbsoluteAddress());
masm.append(GlobalAccess(labelHigh, globalDataOffset + INT64HIGH_OFFSET));
#else
MOZ_CRASH("BaseCompiler platform hook: storeGlobalVarI64");
#endif