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| author | Marat Dukhan <maratek@google.com> | 2020-05-07 15:57:07 -0700 |
|---|---|---|
| committer | Marat Dukhan <maratek@google.com> | 2020-05-07 15:57:07 -0700 |
| commit | ada4eedd7113b82e7d1ab35394b78eaf03a60906 (patch) | |
| tree | e09bf16e229a94aa1a52da5d854df6228b01aeb6 /src | |
| parent | 6525d8bb736b323eb4df9e4f3afdd3a8458d1a20 (diff) | |
| download | pthreadpool-ada4eedd7113b82e7d1ab35394b78eaf03a60906.tar.gz | |
Thumb-1 compatible assembly for disable_fpu_denormals
Diffstat (limited to 'src')
| -rw-r--r-- | src/threadpool-utils.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/threadpool-utils.h b/src/threadpool-utils.h index 24fee43..5443c6e 100644 --- a/src/threadpool-utils.h +++ b/src/threadpool-utils.h @@ -55,12 +55,21 @@ static inline void disable_fpu_denormals() { #if defined(__SSE__) || defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) || (defined(_M_IX86_FP) && _M_IX86_FP >= 1) _mm_setcsr(_mm_getcsr() | 0x8040); #elif defined(__arm__) && defined(__ARM_FP) && (__ARM_FP != 0) - uint32_t fpscr; - __asm__ __volatile__( - "VMRS %[fpscr], fpscr\n" - "ORR %[fpscr], #0x1000000\n" - "VMSR fpscr, %[fpscr]\n" - : [fpscr] "=r" (fpscr)); + #if defined(__thumb__) && !defined(__thumb2__) + __asm__ __volatile__( + "VMRS %[fpscr], fpscr\n" + "ORRS %[fpscr], %[bitmask]\n" + "VMSR fpscr, %[fpscr]\n" + : [fpscr] "=l" (fpscr) + : [bitmask] "l" (0x1000000) + : "cc"); + #else + __asm__ __volatile__( + "VMRS %[fpscr], fpscr\n" + "ORR %[fpscr], #0x1000000\n" + "VMSR fpscr, %[fpscr]\n" + : [fpscr] "=r" (fpscr)); + #endif #elif defined(__aarch64__) uint64_t fpcr; __asm__ __volatile__( |