; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE41 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX1 define float @trunc_unsigned_f32(float %x) #0 { ; SSE2-LABEL: trunc_unsigned_f32: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttss2si %xmm0, %rax ; SSE2-NEXT: movl %eax, %eax ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2ssq %rax, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_f32: ; SSE41: # %bb.0: ; SSE41-NEXT: roundss $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_f32: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundss $11, %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptoui float %x to i32 %r = uitofp i32 %i to float ret float %r } define double @trunc_unsigned_f64(double %x) #0 { ; SSE2-LABEL: trunc_unsigned_f64: ; SSE2: # %bb.0: ; SSE2-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero ; SSE2-NEXT: movapd %xmm0, %xmm2 ; SSE2-NEXT: subsd %xmm1, %xmm2 ; SSE2-NEXT: cvttsd2si %xmm2, %rax ; SSE2-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000 ; SSE2-NEXT: xorq %rax, %rcx ; SSE2-NEXT: cvttsd2si %xmm0, %rax ; SSE2-NEXT: ucomisd %xmm1, %xmm0 ; SSE2-NEXT: cmovaeq %rcx, %rax ; SSE2-NEXT: movq %rax, %xmm1 ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],mem[0],xmm1[1],mem[1] ; SSE2-NEXT: subpd {{.*}}(%rip), %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[2,3,0,1] ; SSE2-NEXT: addpd %xmm1, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundsd $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundsd $11, %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptoui double %x to i64 %r = uitofp i64 %i to double ret double %r } define <4 x float> @trunc_unsigned_v4f32(<4 x float> %x) #0 { ; SSE2-LABEL: trunc_unsigned_v4f32: ; SSE2: # %bb.0: ; SSE2-NEXT: movaps %xmm0, %xmm1 ; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1],xmm0[2,3] ; SSE2-NEXT: cvttss2si %xmm1, %rax ; SSE2-NEXT: movd %eax, %xmm1 ; SSE2-NEXT: movaps %xmm0, %xmm2 ; SSE2-NEXT: movhlps {{.*#+}} xmm2 = xmm0[1],xmm2[1] ; SSE2-NEXT: cvttss2si %xmm2, %rax ; SSE2-NEXT: movd %eax, %xmm2 ; SSE2-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1] ; SSE2-NEXT: cvttss2si %xmm0, %rax ; SSE2-NEXT: movd %eax, %xmm1 ; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,2,3] ; SSE2-NEXT: cvttss2si %xmm0, %rax ; SSE2-NEXT: movd %eax, %xmm0 ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] ; SSE2-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0] ; SSE2-NEXT: movdqa {{.*#+}} xmm0 = [65535,65535,65535,65535] ; SSE2-NEXT: pand %xmm1, %xmm0 ; SSE2-NEXT: por {{.*}}(%rip), %xmm0 ; SSE2-NEXT: psrld $16, %xmm1 ; SSE2-NEXT: por {{.*}}(%rip), %xmm1 ; SSE2-NEXT: addps {{.*}}(%rip), %xmm1 ; SSE2-NEXT: addps %xmm0, %xmm1 ; SSE2-NEXT: movaps %xmm1, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_v4f32: ; SSE41: # %bb.0: ; SSE41-NEXT: roundps $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_v4f32: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundps $11, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptoui <4 x float> %x to <4 x i32> %r = uitofp <4 x i32> %i to <4 x float> ret <4 x float> %r } define <2 x double> @trunc_unsigned_v2f64(<2 x double> %x) #0 { ; SSE2-LABEL: trunc_unsigned_v2f64: ; SSE2: # %bb.0: ; SSE2-NEXT: movaps %xmm0, %xmm1 ; SSE2-NEXT: movhlps {{.*#+}} xmm1 = xmm0[1],xmm1[1] ; SSE2-NEXT: movsd {{.*#+}} xmm2 = mem[0],zero ; SSE2-NEXT: movaps %xmm1, %xmm3 ; SSE2-NEXT: subsd %xmm2, %xmm3 ; SSE2-NEXT: cvttsd2si %xmm3, %rax ; SSE2-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000 ; SSE2-NEXT: xorq %rcx, %rax ; SSE2-NEXT: cvttsd2si %xmm1, %rdx ; SSE2-NEXT: ucomisd %xmm2, %xmm1 ; SSE2-NEXT: cmovaeq %rax, %rdx ; SSE2-NEXT: movaps %xmm0, %xmm1 ; SSE2-NEXT: subsd %xmm2, %xmm1 ; SSE2-NEXT: cvttsd2si %xmm1, %rax ; SSE2-NEXT: xorq %rcx, %rax ; SSE2-NEXT: cvttsd2si %xmm0, %rcx ; SSE2-NEXT: ucomisd %xmm2, %xmm0 ; SSE2-NEXT: cmovaeq %rax, %rcx ; SSE2-NEXT: movq %rcx, %xmm1 ; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1127219200,1160773632,0,0] ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; SSE2-NEXT: movapd {{.*#+}} xmm3 = [4.503600e+15,1.934281e+25] ; SSE2-NEXT: subpd %xmm3, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[2,3,0,1] ; SSE2-NEXT: addpd %xmm1, %xmm0 ; SSE2-NEXT: movq %rdx, %xmm1 ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; SSE2-NEXT: subpd %xmm3, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[2,3,0,1] ; SSE2-NEXT: addpd %xmm1, %xmm2 ; SSE2-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0] ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_v2f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundpd $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_v2f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundpd $11, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptoui <2 x double> %x to <2 x i64> %r = uitofp <2 x i64> %i to <2 x double> ret <2 x double> %r } define <4 x double> @trunc_unsigned_v4f64(<4 x double> %x) #0 { ; SSE2-LABEL: trunc_unsigned_v4f64: ; SSE2: # %bb.0: ; SSE2-NEXT: movaps %xmm1, %xmm3 ; SSE2-NEXT: movhlps {{.*#+}} xmm3 = xmm1[1],xmm3[1] ; SSE2-NEXT: movsd {{.*#+}} xmm2 = mem[0],zero ; SSE2-NEXT: movaps %xmm3, %xmm4 ; SSE2-NEXT: subsd %xmm2, %xmm4 ; SSE2-NEXT: cvttsd2si %xmm4, %rcx ; SSE2-NEXT: movabsq $-9223372036854775808, %rdx # imm = 0x8000000000000000 ; SSE2-NEXT: xorq %rdx, %rcx ; SSE2-NEXT: cvttsd2si %xmm3, %rax ; SSE2-NEXT: ucomisd %xmm2, %xmm3 ; SSE2-NEXT: cmovaeq %rcx, %rax ; SSE2-NEXT: movaps %xmm1, %xmm3 ; SSE2-NEXT: subsd %xmm2, %xmm3 ; SSE2-NEXT: cvttsd2si %xmm3, %rsi ; SSE2-NEXT: xorq %rdx, %rsi ; SSE2-NEXT: cvttsd2si %xmm1, %rcx ; SSE2-NEXT: ucomisd %xmm2, %xmm1 ; SSE2-NEXT: cmovaeq %rsi, %rcx ; SSE2-NEXT: movaps %xmm0, %xmm1 ; SSE2-NEXT: movhlps {{.*#+}} xmm1 = xmm0[1],xmm1[1] ; SSE2-NEXT: movaps %xmm1, %xmm3 ; SSE2-NEXT: subsd %xmm2, %xmm3 ; SSE2-NEXT: cvttsd2si %xmm3, %rsi ; SSE2-NEXT: xorq %rdx, %rsi ; SSE2-NEXT: cvttsd2si %xmm1, %rdi ; SSE2-NEXT: ucomisd %xmm2, %xmm1 ; SSE2-NEXT: cmovaeq %rsi, %rdi ; SSE2-NEXT: movaps %xmm0, %xmm1 ; SSE2-NEXT: subsd %xmm2, %xmm1 ; SSE2-NEXT: cvttsd2si %xmm1, %rsi ; SSE2-NEXT: xorq %rdx, %rsi ; SSE2-NEXT: cvttsd2si %xmm0, %rdx ; SSE2-NEXT: ucomisd %xmm2, %xmm0 ; SSE2-NEXT: cmovaeq %rsi, %rdx ; SSE2-NEXT: movq %rdx, %xmm1 ; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [1127219200,1160773632,0,0] ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; SSE2-NEXT: movapd {{.*#+}} xmm3 = [4.503600e+15,1.934281e+25] ; SSE2-NEXT: subpd %xmm3, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[2,3,0,1] ; SSE2-NEXT: addpd %xmm1, %xmm0 ; SSE2-NEXT: movq %rdi, %xmm1 ; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; SSE2-NEXT: subpd %xmm3, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm4 = xmm1[2,3,0,1] ; SSE2-NEXT: addpd %xmm1, %xmm4 ; SSE2-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm4[0] ; SSE2-NEXT: movq %rcx, %xmm4 ; SSE2-NEXT: punpckldq {{.*#+}} xmm4 = xmm4[0],xmm2[0],xmm4[1],xmm2[1] ; SSE2-NEXT: subpd %xmm3, %xmm4 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm4[2,3,0,1] ; SSE2-NEXT: addpd %xmm4, %xmm1 ; SSE2-NEXT: movq %rax, %xmm4 ; SSE2-NEXT: punpckldq {{.*#+}} xmm4 = xmm4[0],xmm2[0],xmm4[1],xmm2[1] ; SSE2-NEXT: subpd %xmm3, %xmm4 ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm4[2,3,0,1] ; SSE2-NEXT: addpd %xmm4, %xmm2 ; SSE2-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0] ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_v4f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundpd $11, %xmm0, %xmm0 ; SSE41-NEXT: roundpd $11, %xmm1, %xmm1 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_v4f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundpd $11, %ymm0, %ymm0 ; AVX1-NEXT: retq %i = fptoui <4 x double> %x to <4 x i64> %r = uitofp <4 x i64> %i to <4 x double> ret <4 x double> %r } define float @trunc_signed_f32(float %x) #0 { ; SSE2-LABEL: trunc_signed_f32: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttss2si %xmm0, %eax ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2ssl %eax, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_f32: ; SSE41: # %bb.0: ; SSE41-NEXT: roundss $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_f32: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundss $11, %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptosi float %x to i32 %r = sitofp i32 %i to float ret float %r } define double @trunc_signed_f64(double %x) #0 { ; SSE2-LABEL: trunc_signed_f64: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttsd2si %xmm0, %rax ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundsd $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundsd $11, %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptosi double %x to i64 %r = sitofp i64 %i to double ret double %r } define <4 x float> @trunc_signed_v4f32(<4 x float> %x) #0 { ; SSE2-LABEL: trunc_signed_v4f32: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttps2dq %xmm0, %xmm0 ; SSE2-NEXT: cvtdq2ps %xmm0, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_v4f32: ; SSE41: # %bb.0: ; SSE41-NEXT: roundps $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_v4f32: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundps $11, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptosi <4 x float> %x to <4 x i32> %r = sitofp <4 x i32> %i to <4 x float> ret <4 x float> %r } define <2 x double> @trunc_signed_v2f64(<2 x double> %x) #0 { ; SSE2-LABEL: trunc_signed_v2f64: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttsd2si %xmm0, %rax ; SSE2-NEXT: movhlps {{.*#+}} xmm0 = xmm0[1,1] ; SSE2-NEXT: cvttsd2si %xmm0, %rcx ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE2-NEXT: cvtsi2sdq %rcx, %xmm1 ; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_v2f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundpd $11, %xmm0, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_v2f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundpd $11, %xmm0, %xmm0 ; AVX1-NEXT: retq %i = fptosi <2 x double> %x to <2 x i64> %r = sitofp <2 x i64> %i to <2 x double> ret <2 x double> %r } define <4 x double> @trunc_signed_v4f64(<4 x double> %x) #0 { ; SSE2-LABEL: trunc_signed_v4f64: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttsd2si %xmm1, %rax ; SSE2-NEXT: movhlps {{.*#+}} xmm1 = xmm1[1,1] ; SSE2-NEXT: cvttsd2si %xmm1, %rcx ; SSE2-NEXT: cvttsd2si %xmm0, %rdx ; SSE2-NEXT: movhlps {{.*#+}} xmm0 = xmm0[1,1] ; SSE2-NEXT: cvttsd2si %xmm0, %rsi ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2sdq %rdx, %xmm0 ; SSE2-NEXT: xorps %xmm1, %xmm1 ; SSE2-NEXT: cvtsi2sdq %rsi, %xmm1 ; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; SSE2-NEXT: xorps %xmm1, %xmm1 ; SSE2-NEXT: cvtsi2sdq %rax, %xmm1 ; SSE2-NEXT: cvtsi2sdq %rcx, %xmm2 ; SSE2-NEXT: movlhps {{.*#+}} xmm1 = xmm1[0],xmm2[0] ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_v4f64: ; SSE41: # %bb.0: ; SSE41-NEXT: roundpd $11, %xmm0, %xmm0 ; SSE41-NEXT: roundpd $11, %xmm1, %xmm1 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_v4f64: ; AVX1: # %bb.0: ; AVX1-NEXT: vroundpd $11, %ymm0, %ymm0 ; AVX1-NEXT: retq %i = fptosi <4 x double> %x to <4 x i64> %r = sitofp <4 x i64> %i to <4 x double> ret <4 x double> %r } ; The fold may be guarded to allow existing code to continue ; working based on its assumptions of float->int overflow. define float @trunc_unsigned_f32_disable_via_attr(float %x) #1 { ; SSE2-LABEL: trunc_unsigned_f32_disable_via_attr: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttss2si %xmm0, %rax ; SSE2-NEXT: movl %eax, %eax ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2ssq %rax, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_unsigned_f32_disable_via_attr: ; SSE41: # %bb.0: ; SSE41-NEXT: cvttss2si %xmm0, %rax ; SSE41-NEXT: movl %eax, %eax ; SSE41-NEXT: xorps %xmm0, %xmm0 ; SSE41-NEXT: cvtsi2ssq %rax, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_unsigned_f32_disable_via_attr: ; AVX1: # %bb.0: ; AVX1-NEXT: vcvttss2si %xmm0, %rax ; AVX1-NEXT: movl %eax, %eax ; AVX1-NEXT: vcvtsi2ssq %rax, %xmm1, %xmm0 ; AVX1-NEXT: retq %i = fptoui float %x to i32 %r = uitofp i32 %i to float ret float %r } define double @trunc_signed_f64_disable_via_attr(double %x) #1 { ; SSE2-LABEL: trunc_signed_f64_disable_via_attr: ; SSE2: # %bb.0: ; SSE2-NEXT: cvttsd2si %xmm0, %rax ; SSE2-NEXT: xorps %xmm0, %xmm0 ; SSE2-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: trunc_signed_f64_disable_via_attr: ; SSE41: # %bb.0: ; SSE41-NEXT: cvttsd2si %xmm0, %rax ; SSE41-NEXT: xorps %xmm0, %xmm0 ; SSE41-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: trunc_signed_f64_disable_via_attr: ; AVX1: # %bb.0: ; AVX1-NEXT: vcvttsd2si %xmm0, %rax ; AVX1-NEXT: vcvtsi2sdq %rax, %xmm1, %xmm0 ; AVX1-NEXT: retq %i = fptosi double %x to i64 %r = sitofp i64 %i to double ret double %r } attributes #0 = { nounwind "no-signed-zeros-fp-math"="true" } attributes #1 = { nounwind "no-signed-zeros-fp-math"="true" "strict-float-cast-overflow"="false" }