search for: punpcklqdq

...field-by-field while the failing code has lowered this to a memcpy. I would certainly expect the memcpy expansion to be smart enough to avoid using MM registers, though; that's a serious bug if it isn't. movd %xmm0, %rax movd %rax, %mm0 movq2dq %mm0, %xmm1 movq2dq %mm0, %xmm2 punpcklqdq %xmm2, %xmm1 ## xmm1 = xmm1[0],xmm2[0] movq 16(%rsp), %rax movd %rax, %mm0 movq2dq %mm0, %xmm0 punpcklqdq %xmm2, %xmm0 ## xmm0 = xmm0[0],xmm2[0] On Aug 31, 2010, at 11:18 AMPDT, Argyrios Kyrtzidis wrote: > Hi, > > I've attached 2 .ll files which are supposed to be equivale...

...e failing code has lowered this to a memcpy. I would certainly expect the memcpy expansion to be smart enough to avoid using MM registers, though; that's a serious bug if it isn't. > > movd %xmm0, %rax > movd %rax, %mm0 > movq2dq %mm0, %xmm1 > movq2dq %mm0, %xmm2 > punpcklqdq %xmm2, %xmm1 ## xmm1 = xmm1[0],xmm2[0] > movq 16(%rsp), %rax > movd %rax, %mm0 > movq2dq %mm0, %xmm0 > punpcklqdq %xmm2, %xmm0 ## xmm0 = xmm0[0],xmm2[0] > > > On Aug 31, 2010, at 11:18 AMPDT, Argyrios Kyrtzidis wrote: > >> Hi, >> >> I've a...

...raphicsContextPlatformPrivateERKNS_9FloatRectERNS_10FloatPointES8_ movss 8(%rsp), %xmm0 movss 12(%rsp), %xmm1 subss 20(%rsp), %xmm1 subss 16(%rsp), %xmm0 insertps $16, %xmm1, %xmm0 ## xmm0 = xmm0[0],xmm1[0],xmm0[2,3] movd %xmm0, %rax movd %rax, %mm0 movq2dq %mm0, %xmm1 movq2dq %mm0, %xmm2 punpcklqdq %xmm2, %xmm1 ## xmm1 = xmm1[0],xmm2[0] movq 16(%rsp), %rax movd %rax, %mm0 movq2dq %mm0, %xmm0 punpcklqdq %xmm2, %xmm0 ## xmm0 = xmm0[0],xmm2[0] addq $24, %rsp ret

...I would certainly >> expect the memcpy expansion to be smart enough to avoid using MM >> registers, though; that's a serious bug if it isn't. >> >> movd %xmm0, %rax >> movd %rax, %mm0 >> movq2dq %mm0, %xmm1 >> movq2dq %mm0, %xmm2 >> punpcklqdq %xmm2, %xmm1 ## xmm1 = xmm1[0],xmm2[0] >> movq 16(%rsp), %rax >> movd %rax, %mm0 >> movq2dq %mm0, %xmm0 >> punpcklqdq %xmm2, %xmm0 ## xmm0 = xmm0[0],xmm2[0] >> >> >> On Aug 31, 2010, at 11:18 AMPDT, Argyrios Kyrtzidis wrote: >> >>>...

...--- llvm/trunk/test/CodeGen/X86/vec_shuffle-39.ll (original) >> +++ llvm/trunk/test/CodeGen/X86/vec_shuffle-39.ll Tue Oct 15 18:33:07 2013 >> @@ -54,8 +54,8 @@ entry: >> define <2 x double> @t3() nounwind readonly { >> bb: >> ; CHECK-LABEL: t3: >> -; CHECK: punpcklqdq %xmm1, %xmm0 >> ; CHECK: movq (%rax), %xmm1 >> +; CHECK: punpcklqdq %xmm2, %xmm0 >> ; CHECK: movsd %xmm1, %xmm0 >> %tmp0 = load i128* null, align 1 >> %tmp1 = load <2 x i32>* undef, align 8 >> @@ -72,9 +72,9 @@ bb: >> define <2 x i64> @t4()...

Tom (and Andy, Owen, Evan, Nadav), I'd like the following commits placed into the 3.4.1 branch. I've attempted to sort this list by code owner: Andrew Trick: r203719 - PR17473 r203725 - This test need the X86 backend, move it to the X86 sub directory. [adjusts the test location from r203719] r202273 - Fix PR18165: LSR must avoid scaling factors that exceed the limit on truncated use.