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...2> @intfoo(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) nounwind readnone { entry: %0 = add <4 x i32> %x, %z %not = xor <4 x i32> %z, <i32 -1, i32 -1, i32 -1, i32 -1> %1 = and <4 x i32> %not, %y %2 = xor <4 x i32> %0, %1 ret <4 x i32> %2 } _intfoo: movdqa %xmm0, %xmm3 paddd %xmm2, %xmm3 pandn %xmm1, %xmm2 movdqa %xmm2, %xmm0 pxor %xmm3, %xmm0 ret All the instructions moved to the int domain because the add forced them. > Please tell me if something would be wrong for me. You should measure if LLVM's code is actually slower th...

Hello. This is my 1st post. I have tried SSE execution domain fixup pass. But I am not able to see any improvements. I expect for the example below to use MOVDQA, PAND &c. (On nehalem, ANDPS is extremely slower than PAND) Please tell me if something would be wrong for me. Thank you. Takumi Host: i386-mingw32 Build: trunk at 103373 foo.ll: define <4 x i32> @foo(<4 x i32> %x,