| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2014 Travis Geiselbrecht |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files |
| 6 | * (the "Software"), to deal in the Software without restriction, |
| 7 | * including without limitation the rights to use, copy, modify, merge, |
| 8 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 9 | * and to permit persons to whom the Software is furnished to do so, |
| 10 | * subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | #include <asm.h> |
| 24 | |
| 25 | #if ARM_WITH_VFP |
| 26 | |
| 27 | .fpu neon |
| 28 | .syntax unified |
| 29 | |
| 30 | .macro disable, scratchreg |
| 31 | vmrs \scratchreg, fpexc |
| 32 | bic \scratchreg, #(1<<30) |
| 33 | vmsr fpexc, \scratchreg |
| 34 | .endm |
| 35 | |
| 36 | .macro vfp_instructions |
| 37 | disable r12 |
| 38 | vadd.f32 s0, s0, s0 |
| 39 | |
| 40 | disable r12 |
| 41 | vadd.f64 d0, d0, d0 |
| 42 | |
| 43 | disable r12 |
| 44 | ldr r0, =float_test_scratch |
| 45 | vldr s0, [r0] |
| 46 | .endm |
| 47 | |
| 48 | .macro neon_instructions |
| 49 | disable r12 |
| 50 | vadd.f32 q0, q0, q0 |
| 51 | |
| 52 | disable r12 |
| 53 | ldr r0, =float_test_scratch |
| 54 | vld1.f32 { q0 }, [r0] |
| 55 | |
| 56 | disable r12 |
| 57 | vmov s0, r0 |
| 58 | .endm |
| 59 | |
| 60 | #if !ARM_ONLY_THUMB |
| 61 | .arm |
| 62 | |
| 63 | FUNCTION(float_vfp_arm_instruction_test) |
| 64 | vfp_instructions |
| 65 | bx lr |
| 66 | |
| 67 | FUNCTION(float_neon_arm_instruction_test) |
| 68 | neon_instructions |
| 69 | bx lr |
| 70 | #endif |
| 71 | |
| 72 | .thumb |
| 73 | |
| 74 | FUNCTION(float_vfp_thumb_instruction_test) |
| 75 | vfp_instructions |
| 76 | bx lr |
| 77 | |
| 78 | FUNCTION(float_neon_thumb_instruction_test) |
| 79 | neon_instructions |
| 80 | bx lr |
| 81 | |
| 82 | .data |
| 83 | LOCAL_DATA(float_test_scratch) |
| 84 | .word 0 |
| 85 | .word 0 |
| 86 | |
| 87 | #endif // ARM_WITH_VFP |