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X86: Let the integer multiply microop use every other possible source value.

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Gabe Black 2009-08-17 20:15:16 -07:00
parent cf2fc2613d
commit 200fed31de
1 changed files with 9 additions and 2 deletions
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11
src/arch/x86/isa/microops/mediaop.isa
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@ -919,8 +919,15 @@ let {{
uint64_t result = FpDestReg.uqw;
for (int i = 0; i < items; i++) {
int srcHiIndex = (i + 1) * srcBits - 1;
int srcLoIndex = (i + 0) * srcBits;
int offset = 0;
if (ext & 16) {
if (ext & 32)
offset = i * (destBits - srcBits);
else
offset = i * (destBits - srcBits) + srcBits;
}
int srcHiIndex = (i + 1) * srcBits - 1 + offset;
int srcLoIndex = (i + 0) * srcBits + offset;
uint64_t arg1Bits = bits(FpSrcReg1.uqw, srcHiIndex, srcLoIndex);
uint64_t arg2Bits = bits(FpSrcReg2.uqw, srcHiIndex, srcLoIndex);
uint64_t resBits;