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| author | Wilco Dijkstra <wilco.dijkstra@arm.com> | 2025-01-02 19:46:07 +0000 |
|---|---|---|
| committer | Wilco Dijkstra <wilco.dijkstra@arm.com> | 2025-02-24 14:20:03 +0000 |
| commit | 4c1137910683c12cf1edb31e511e11289cd1a9db (patch) | |
| tree | ff907a8ecdc212384779464dcaf4cda6b9e7fb20 | |
| parent | 0a021727bc4c122cd5accbb9ee69a5e82460a442 (diff) | |
| download | glibc-4c1137910683c12cf1edb31e511e11289cd1a9db.zip glibc-4c1137910683c12cf1edb31e511e11289cd1a9db.tar.gz glibc-4c1137910683c12cf1edb31e511e11289cd1a9db.tar.bz2 | |
AArch64: Simplify lrint
Simplify lrint.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
| -rw-r--r-- | sysdeps/aarch64/fpu/s_lrint.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/aarch64/fpu/s_lrint.c b/sysdeps/aarch64/fpu/s_lrint.c index 904c42c..66b3cca 100644 --- a/sysdeps/aarch64/fpu/s_lrint.c +++ b/sysdeps/aarch64/fpu/s_lrint.c @@ -22,60 +22,9 @@ #include <math-barriers.h> #include <libm-alias-double.h> -# define IREG_SIZE 64 - -# ifdef __ILP32__ -# define OREG_SIZE 32 -# else -# define OREG_SIZE 64 -# endif - -# define IREGS "d" - -#if OREG_SIZE == 32 -# define OREGS "w" -#else -# define OREGS "x" -#endif - - long int __lrint (double x) { - -#if IREG_SIZE == 64 && OREG_SIZE == 32 - long int result; - - if (__builtin_fabs (x) > INT32_MAX) - { - /* Converting large values to a 32 bit int may cause the frintx/fcvtza - sequence to set both FE_INVALID and FE_INEXACT. To avoid this - check the rounding mode and do a single instruction with the - appropriate rounding mode. */ - - switch (get_rounding_mode ()) - { - case FE_TONEAREST: - asm volatile ("fcvtns" "\t%" OREGS "0, %" IREGS "1" - : "=r" (result) : "w" (x)); - break; - case FE_UPWARD: - asm volatile ("fcvtps" "\t%" OREGS "0, %" IREGS "1" - : "=r" (result) : "w" (x)); - break; - case FE_DOWNWARD: - asm volatile ("fcvtms" "\t%" OREGS "0, %" IREGS "1" - : "=r" (result) : "w" (x)); - break; - case FE_TOWARDZERO: - default: - asm volatile ("fcvtzs" "\t%" OREGS "0, %" IREGS "1" - : "=r" (result) : "w" (x)); - } - return result; - } -#endif - double r = __builtin_rint (x); /* Prevent gcc from calling lrint directly when compiled with |