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X86: Make the check for negative operands for sign multiply more direct.

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This commit is contained in:
Gabe Black 2009-08-05 03:06:37 -07:00
parent e2e0ae576a
commit 2914a8eb16
1 changed files with 2 additions and 3 deletions
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5
src/arch/x86/isa/microops/regop.isa
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@ -530,10 +530,9 @@ let {{
hiResult = ((psrc1_l * psrc2_h + psrc1_h * psrc2_l +
((psrc1_l * psrc2_l) / shifter)) /shifter) +
psrc1_h * psrc2_h;
if (spsrc1 < 0)
if (bits(psrc1, dataSize * 8 - 1))
hiResult -= op2;
int64_t bigSop2 = sop2;
if (bigSop2 < 0)
if (bits(op2, dataSize * 8 - 1))
hiResult -= psrc1;
ProdHi = hiResult;
'''