1 ; RUN: llc -mtriple=arm-eabi -mattr=+vfp2 %s -o - \ 2 ; RUN: | FileCheck %s -check-prefix=VFP2 3 4 ; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - \ 5 ; RUN: | FileCheck %s -check-prefix=NEON 6 7 ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -o - \ 8 ; RUN: | FileCheck %s -check-prefix=A8 9 10 ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 -regalloc=basic %s -o - \ 11 ; RUN: | FileCheck %s -check-prefix=A8 12 13 ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 --enable-unsafe-fp-math %s -o - \ 14 ; RUN: | FileCheck %s -check-prefix=A8U 15 16 ; RUN: llc -mtriple=arm-darwin -mcpu=cortex-a8 %s -o - \ 17 ; RUN: | FileCheck %s -check-prefix=A8U 18 19 define float @t1(float %acc, float %a, float %b) nounwind { 20 entry: 21 ; VFP2-LABEL: t1: 22 ; VFP2: vnmla.f32 23 24 ; NEON-LABEL: t1: 25 ; NEON: vnmla.f32 26 27 ; A8U-LABEL: t1: 28 ; A8U: vnmul.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} 29 ; A8U: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} 30 31 ; A8-LABEL: t1: 32 ; A8: vnmul.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} 33 ; A8: vsub.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} 34 %0 = fmul float %a, %b 35 %1 = fsub float -0.0, %0 36 %2 = fsub float %1, %acc 37 ret float %2 38 } 39 40 define float @t2(float %acc, float %a, float %b) nounwind { 41 entry: 42 ; VFP2-LABEL: t2: 43 ; VFP2: vnmla.f32 44 45 ; NEON-LABEL: t2: 46 ; NEON: vnmla.f32 47 48 ; A8U-LABEL: t2: 49 ; A8U: vnmul.f32 s{{[01234]}}, s{{[01234]}}, s{{[01234]}} 50 ; A8U: vsub.f32 d{{[0-9]}}, d{{[0-9]}}, d{{[0-9]}} 51 52 ; A8-LABEL: t2: 53 ; A8: vnmul.f32 s{{[01234]}}, s{{[01234]}}, s{{[01234]}} 54 ; A8: vsub.f32 s{{[0-9]}}, s{{[0-9]}}, s{{[0-9]}} 55 %0 = fmul float %a, %b 56 %1 = fmul float -1.0, %0 57 %2 = fsub float %1, %acc 58 ret float %2 59 } 60 61 define double @t3(double %acc, double %a, double %b) nounwind { 62 entry: 63 ; VFP2-LABEL: t3: 64 ; VFP2: vnmla.f64 65 66 ; NEON-LABEL: t3: 67 ; NEON: vnmla.f64 68 69 ; A8U-LABEL: t3: 70 ; A8U: vnmul.f64 d 71 ; A8U: vsub.f64 d 72 73 ; A8-LABEL: t3: 74 ; A8: vnmul.f64 d 75 ; A8: vsub.f64 d 76 %0 = fmul double %a, %b 77 %1 = fsub double -0.0, %0 78 %2 = fsub double %1, %acc 79 ret double %2 80 } 81 82 define double @t4(double %acc, double %a, double %b) nounwind { 83 entry: 84 ; VFP2-LABEL: t4: 85 ; VFP2: vnmla.f64 86 87 ; NEON-LABEL: t4: 88 ; NEON: vnmla.f64 89 90 ; A8U-LABEL: t4: 91 ; A8U: vnmul.f64 d 92 ; A8U: vsub.f64 d 93 94 ; A8-LABEL: t4: 95 ; A8: vnmul.f64 d 96 ; A8: vsub.f64 d 97 %0 = fmul double %a, %b 98 %1 = fmul double -1.0, %0 99 %2 = fsub double %1, %acc 100 ret double %2 101 } 102
