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

2009-08-05 03:06:37 -07:00
parent e2e0ae576a
commit 2914a8eb16
1 changed files with 2 additions and 3 deletions
--- a/src/arch/x86/isa/microops/regop.isa
+++ b/src/arch/x86/isa/microops/regop.isa
@@ -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;
            '''