Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s -check-prefix=VFP2 |
| 2 | ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s -check-prefix=NEON |
| 3 | ; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s -check-prefix=A8 |
David Goodwin | 42a83f2 | 2009-08-04 17:53:06 +0000 | [diff] [blame] | 4 | |
Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 5 | define float @t1(float %acc, float %a, float %b) nounwind { |
David Goodwin | 42a83f2 | 2009-08-04 17:53:06 +0000 | [diff] [blame] | 6 | entry: |
Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 7 | ; VFP2: t1: |
| 8 | ; VFP2: vnmla.f32 |
| 9 | |
| 10 | ; NEON: t1: |
| 11 | ; NEON: vnmla.f32 |
| 12 | |
| 13 | ; A8: t1: |
| 14 | ; A8: vnmul.f32 s0, s1, s0 |
| 15 | ; A8: vsub.f32 d0, d0, d1 |
David Goodwin | 42a83f2 | 2009-08-04 17:53:06 +0000 | [diff] [blame] | 16 | %0 = fmul float %a, %b |
David Goodwin | aeb66fe | 2009-08-10 22:31:04 +0000 | [diff] [blame] | 17 | %1 = fsub float -0.0, %0 |
David Goodwin | 42a83f2 | 2009-08-04 17:53:06 +0000 | [diff] [blame] | 18 | %2 = fsub float %1, %acc |
| 19 | ret float %2 |
| 20 | } |
| 21 | |
Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 22 | define float @t2(float %acc, float %a, float %b) nounwind { |
David Goodwin | 831b500 | 2009-08-04 18:11:59 +0000 | [diff] [blame] | 23 | entry: |
Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 24 | ; VFP2: t2: |
| 25 | ; VFP2: vnmla.f32 |
| 26 | |
| 27 | ; NEON: t2: |
| 28 | ; NEON: vnmla.f32 |
| 29 | |
| 30 | ; A8: t2: |
| 31 | ; A8: vnmul.f32 s0, s1, s0 |
| 32 | ; A8: vsub.f32 d0, d0, d1 |
David Goodwin | 831b500 | 2009-08-04 18:11:59 +0000 | [diff] [blame] | 33 | %0 = fmul float %a, %b |
| 34 | %1 = fmul float -1.0, %0 |
| 35 | %2 = fsub float %1, %acc |
| 36 | ret float %2 |
| 37 | } |
| 38 | |
Evan Cheng | 529916c | 2010-11-12 20:32:20 +0000 | [diff] [blame^] | 39 | define double @t3(double %acc, double %a, double %b) nounwind { |
| 40 | entry: |
| 41 | ; VFP2: t3: |
| 42 | ; VFP2: vnmla.f64 |
| 43 | |
| 44 | ; NEON: t3: |
| 45 | ; NEON: vnmla.f64 |
| 46 | |
| 47 | ; A8: t3: |
| 48 | ; A8: vnmul.f64 d16, d16, d17 |
| 49 | ; A8: vsub.f64 d16, d16, d17 |
| 50 | %0 = fmul double %a, %b |
| 51 | %1 = fsub double -0.0, %0 |
| 52 | %2 = fsub double %1, %acc |
| 53 | ret double %2 |
| 54 | } |
| 55 | |
| 56 | define double @t4(double %acc, double %a, double %b) nounwind { |
| 57 | entry: |
| 58 | ; VFP2: t4: |
| 59 | ; VFP2: vnmla.f64 |
| 60 | |
| 61 | ; NEON: t4: |
| 62 | ; NEON: vnmla.f64 |
| 63 | |
| 64 | ; A8: t4: |
| 65 | ; A8: vnmul.f64 d16, d16, d17 |
| 66 | ; A8: vsub.f64 d16, d16, d17 |
| 67 | %0 = fmul double %a, %b |
| 68 | %1 = fmul double -1.0, %0 |
| 69 | %2 = fsub double %1, %acc |
| 70 | ret double %2 |
| 71 | } |