https://llvm.org/bugs/show_bug.cgi?id=30433
Bug ID: 30433 Summary: [X86][SSE] Improve FCOPYSIGN lowering of vectors Product: libraries Version: trunk Hardware: PC OS: Windows NT Status: NEW Severity: normal Priority: P Component: Backend: X86 Assignee: unassignedb...@nondot.org Reporter: llvm-...@redking.me.uk CC: llvm-bugs@lists.llvm.org Classification: Unclassified Lowering FCOPYSIGN of vector values are currently scalarized on SSE/AVX targets. Both vector lowering and suitable vectorization costs and tests need to be added. define <4 x float> @fcopysign_v4f32(<4 x float> %x, <4 x float> %y) { %1 = call <4 x float> @llvm.copysign.v4f32(<4 x float> %x, <4 x float> %y) ret <4 x float> %1 } declare <4 x float> @llvm.copysign.v4f32(<4 x float> %Mag, <4 x float> %Sgn) define <2 x double> @fcopysign_v2f64(<2 x double> %x, <2 x double> %y) { %1 = call <2 x double> @llvm.copysign.v2f64(<2 x double> %x, <2 x double> %y) ret <2 x double> %1 } declare <2 x double> @llvm.copysign.v2f64(<2 x double> %Mag, <2 x double> %Sgn) fcopysign_v4f32: # @fcopysign_v4f32 vmovaps .LCPI0_0(%rip), %xmm2 # xmm2 = [-0.000000e+00,0.000000e+00,0.000000e+00,0.000000e+00] vmovaps .LCPI0_1(%rip), %xmm4 # xmm4 = [nan,0.000000e+00,0.000000e+00,0.000000e+00] vmovshdup %xmm0, %xmm6 # xmm6 = xmm0[1,1,3,3] vandps %xmm2, %xmm1, %xmm3 vandps %xmm4, %xmm0, %xmm5 vandps %xmm4, %xmm6, %xmm6 vorps %xmm3, %xmm5, %xmm3 vmovshdup %xmm1, %xmm5 # xmm5 = xmm1[1,1,3,3] vandps %xmm2, %xmm5, %xmm5 vorps %xmm5, %xmm6, %xmm5 vpermilpd $1, %xmm0, %xmm6 # xmm6 = xmm0[1,0] vpermilps $231, %xmm0, %xmm0 # xmm0 = xmm0[3,1,2,3] vinsertps $16, %xmm5, %xmm3, %xmm3 # xmm3 = xmm3[0],xmm5[0],xmm3[2,3] vpermilpd $1, %xmm1, %xmm5 # xmm5 = xmm1[1,0] vpermilps $231, %xmm1, %xmm1 # xmm1 = xmm1[3,1,2,3] vandpd %xmm4, %xmm6, %xmm6 vandps %xmm4, %xmm0, %xmm0 vandpd %xmm2, %xmm5, %xmm5 vandps %xmm2, %xmm1, %xmm1 vorpd %xmm5, %xmm6, %xmm5 vorps %xmm1, %xmm0, %xmm0 vinsertps $32, %xmm5, %xmm3, %xmm3 # xmm3 = xmm3[0,1],xmm5[0],xmm3[3] vinsertps $48, %xmm0, %xmm3, %xmm0 # xmm0 = xmm3[0,1,2],xmm0[0] retq fcopysign_v2f64: # @fcopysign_v2f64 vmovapd .LCPI1_0(%rip), %xmm2 # xmm2 = [-0.000000e+00,0.000000e+00] vmovapd .LCPI1_1(%rip), %xmm4 # xmm4 = [nan,0.000000e+00] vandpd %xmm2, %xmm1, %xmm3 vandpd %xmm4, %xmm0, %xmm5 vpermilpd $1, %xmm1, %xmm1 # xmm1 = xmm1[1,0] vpermilpd $1, %xmm0, %xmm0 # xmm0 = xmm0[1,0] vandpd %xmm2, %xmm1, %xmm1 vandpd %xmm4, %xmm0, %xmm0 vorpd %xmm3, %xmm5, %xmm3 vorpd %xmm1, %xmm0, %xmm0 vunpcklpd %xmm0, %xmm3, %xmm0 # xmm0 = xmm3[0],xmm0[0] retq -- You are receiving this mail because: You are on the CC list for the bug.
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