mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-28 07:05:11 +00:00
7ee24bd8b6
The 2i32-2i64 legalization means that we can use the slightly quicker double bits + fptrunc approach for the same results git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277271 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.7 KiB
LLVM
67 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=i686-linux-pc -mcpu=corei7 | FileCheck %s --check-prefix=X32
|
|
; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s --check-prefix=X64
|
|
|
|
; uitofp <2 x i32> codegen from buildvector or legalization is different but gives the same results
|
|
; across the full 0 - 0xFFFFFFFF u32 range.
|
|
|
|
define <2 x float> @uitofp_2i32_buildvector(i32 %x, i32 %y, <2 x float> %v) {
|
|
; X32-LABEL: uitofp_2i32_buildvector:
|
|
; X32: # BB#0:
|
|
; X32-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
|
|
; X32-NEXT: movdqa {{.*#+}} xmm2 = [1258291200,1258291200,1258291200,1258291200]
|
|
; X32-NEXT: pblendw {{.*#+}} xmm2 = xmm1[0],xmm2[1],xmm1[2],xmm2[3],xmm1[4],xmm2[5],xmm1[6],xmm2[7]
|
|
; X32-NEXT: psrld $16, %xmm1
|
|
; X32-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0],mem[1],xmm1[2],mem[3],xmm1[4],mem[5],xmm1[6],mem[7]
|
|
; X32-NEXT: addps {{\.LCPI.*}}, %xmm1
|
|
; X32-NEXT: addps %xmm2, %xmm1
|
|
; X32-NEXT: mulps %xmm1, %xmm0
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: uitofp_2i32_buildvector:
|
|
; X64: # BB#0:
|
|
; X64-NEXT: movd %edi, %xmm1
|
|
; X64-NEXT: pinsrd $1, %esi, %xmm1
|
|
; X64-NEXT: movdqa {{.*#+}} xmm2 = [1258291200,1258291200,1258291200,1258291200]
|
|
; X64-NEXT: pblendw {{.*#+}} xmm2 = xmm1[0],xmm2[1],xmm1[2],xmm2[3],xmm1[4],xmm2[5],xmm1[6],xmm2[7]
|
|
; X64-NEXT: psrld $16, %xmm1
|
|
; X64-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0],mem[1],xmm1[2],mem[3],xmm1[4],mem[5],xmm1[6],mem[7]
|
|
; X64-NEXT: addps {{.*}}(%rip), %xmm1
|
|
; X64-NEXT: addps %xmm2, %xmm1
|
|
; X64-NEXT: mulps %xmm1, %xmm0
|
|
; X64-NEXT: retq
|
|
%t1 = uitofp i32 %x to float
|
|
%t2 = insertelement <2 x float> undef, float %t1, i32 0
|
|
%t3 = uitofp i32 %y to float
|
|
%t4 = insertelement <2 x float> %t2, float %t3, i32 1
|
|
%t5 = fmul <2 x float> %v, %t4
|
|
ret <2 x float> %t5
|
|
}
|
|
|
|
define <2 x float> @uitofp_2i32_legalized(<2 x i32> %in, <2 x float> %v) {
|
|
; X32-LABEL: uitofp_2i32_legalized:
|
|
; X32: # BB#0:
|
|
; X32-NEXT: pxor %xmm2, %xmm2
|
|
; X32-NEXT: pblendw {{.*#+}} xmm2 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
|
|
; X32-NEXT: movdqa {{.*#+}} xmm0 = [4.503600e+15,4.503600e+15]
|
|
; X32-NEXT: por %xmm0, %xmm2
|
|
; X32-NEXT: subpd %xmm0, %xmm2
|
|
; X32-NEXT: cvtpd2ps %xmm2, %xmm0
|
|
; X32-NEXT: mulps %xmm1, %xmm0
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: uitofp_2i32_legalized:
|
|
; X64: # BB#0:
|
|
; X64-NEXT: pxor %xmm2, %xmm2
|
|
; X64-NEXT: pblendw {{.*#+}} xmm2 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
|
|
; X64-NEXT: movdqa {{.*#+}} xmm0 = [4.503600e+15,4.503600e+15]
|
|
; X64-NEXT: por %xmm0, %xmm2
|
|
; X64-NEXT: subpd %xmm0, %xmm2
|
|
; X64-NEXT: cvtpd2ps %xmm2, %xmm0
|
|
; X64-NEXT: mulps %xmm1, %xmm0
|
|
; X64-NEXT: retq
|
|
%t1 = uitofp <2 x i32> %in to <2 x float>
|
|
%t2 = fmul <2 x float> %v, %t1
|
|
ret <2 x float> %t2
|
|
}
|