On Aug 14, 2007, at 2:16 AM, Evan Cheng wrote:
> Author: evancheng
> Date: Tue Aug 14 04:16:00 2007
> New Revision: 41070
>
> URL: http://llvm.org/viewvc/llvm-project?rev=41070&view=rev
> Log:
> Update test case. A spill should now be deleted.
>
> Modified:
> llvm/trunk/test/CodeGen/X86/constant-pool-remat-0.ll
Nice. I tweaked it to avoid the fpstack stuff on x86-32. I'm now
getting:
x86-32:
_array:
subl $12, %esp
movss LCPI1_0, %xmm0
mulss 16(%esp), %xmm0
movss %xmm0, (%esp)
call L_qux$stub
movss LCPI1_0, %xmm1
mulss %xmm1, %xmm0
addl $12, %esp
ret
x86-64:
_array:
subq $8, %rsp
movss LCPI1_0(%rip), %xmm1
mulss %xmm1, %xmm0
call _qux
movss LCPI1_0(%rip), %xmm1
mulss %xmm1, %xmm0
addq $8, %rsp
ret
Both look great, but we should still fold the remat load into the
muls :)
-Chris
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