| /* |
| * Copyright (c) 2014 Travis Geiselbrecht |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files |
| * (the "Software"), to deal in the Software without restriction, |
| * including without limitation the rights to use, copy, modify, merge, |
| * publish, distribute, sublicense, and/or sell copies of the Software, |
| * and to permit persons to whom the Software is furnished to do so, |
| * subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #include <asm.h> |
| |
| #if ARM_WITH_VFP |
| |
| .fpu neon |
| .syntax unified |
| |
| .macro disable, scratchreg |
| vmrs \scratchreg, fpexc |
| bic \scratchreg, #(1<<30) |
| vmsr fpexc, \scratchreg |
| .endm |
| |
| .macro vfp_instructions |
| disable r12 |
| vadd.f32 s0, s0, s0 |
| |
| disable r12 |
| vadd.f64 d0, d0, d0 |
| |
| disable r12 |
| ldr r0, =float_test_scratch |
| vldr s0, [r0] |
| .endm |
| |
| .macro neon_instructions |
| disable r12 |
| vadd.f32 q0, q0, q0 |
| |
| disable r12 |
| ldr r0, =float_test_scratch |
| vld1.f32 { q0 }, [r0] |
| |
| disable r12 |
| vmov s0, r0 |
| .endm |
| |
| #if !ARM_ONLY_THUMB |
| .arm |
| |
| FUNCTION(float_vfp_arm_instruction_test) |
| vfp_instructions |
| bx lr |
| |
| FUNCTION(float_neon_arm_instruction_test) |
| neon_instructions |
| bx lr |
| #endif |
| |
| .thumb |
| |
| FUNCTION(float_vfp_thumb_instruction_test) |
| vfp_instructions |
| bx lr |
| |
| FUNCTION(float_neon_thumb_instruction_test) |
| neon_instructions |
| bx lr |
| |
| .data |
| LOCAL_DATA(float_test_scratch) |
| .word 0 |
| .word 0 |
| |
| #endif // ARM_WITH_VFP |
