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Unified Diff: src/x64/debug-x64.cc

Issue 21014003: Optionally use 31-bits SMI value for 64-bit system (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed danno's comments Created 7 years, 4 months ago
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Index: src/x64/debug-x64.cc
diff --git a/src/x64/debug-x64.cc b/src/x64/debug-x64.cc
index a337b0d052f7252ea1baa0e3b1d0bfe608fd87a7..ab13afd6186e719c3b2780d384bedecb5185f8ab 100644
--- a/src/x64/debug-x64.cc
+++ b/src/x64/debug-x64.cc
@@ -126,12 +126,7 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
}
// Store the 64-bit value as two smis.
if ((non_object_regs & (1 << r)) != 0) {
- __ movq(kScratchRegister, reg);
- __ Integer32ToSmi(reg, reg);
- __ push(reg);
- __ sar(kScratchRegister, Immediate(32));
- __ Integer32ToSmi(kScratchRegister, kScratchRegister);
- __ push(kScratchRegister);
+ __ PushInt64AsTwoSmis(reg);
}
}
@@ -156,12 +151,7 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
}
// Reconstruct the 64-bit value from two smis.
if ((non_object_regs & (1 << r)) != 0) {
- __ pop(kScratchRegister);
- __ SmiToInteger32(kScratchRegister, kScratchRegister);
- __ shl(kScratchRegister, Immediate(32));
- __ pop(reg);
- __ SmiToInteger32(reg, reg);
- __ or_(reg, kScratchRegister);
+ __ PopInt64AsTwoSmis(reg);
}
}
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