src/x64/disasm-x64.cc - Issue 6835021: X64: Use roundsd for DoMathFloor.

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

Issue 6835021: X64: Use roundsd for DoMathFloor. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 8 months ago

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Index: src/x64/disasm-x64.cc

diff --git a/src/x64/disasm-x64.cc b/src/x64/disasm-x64.cc

index 2b7b7b7d334e35a8d16bc583d9d32165924fec24..1d708aee959d8c1a991f496a4a89aba814807024 100644

--- a/src/x64/disasm-x64.cc

+++ b/src/x64/disasm-x64.cc

@@ -1021,6 +1021,13 @@ int DisassemblerX64::TwoByteOpcodeInstruction(byte* data) {

current += PrintRightOperand(current);

AppendToBuffer(", %s, %d", NameOfCPURegister(regop), (*current) & 3);

current += 1;

+ } else if (third_byte == 0x0b) {

+ get_modrm(*current, &mod, &regop, &rm);

+ // roundsd xmm, xmm/m64, imm8

+ AppendToBuffer("roundsd %s, ", NameOfCPURegister(regop));

+ current += PrintRightOperand(current);

+ AppendToBuffer(", %d", (*current) & 3);

+ current += 1;

} else {

UnimplementedInstruction();

}