[PATCH] improves exp() and expf() performance on Sparc.
Szabolcs Nagy
szabolcs.nagy@arm.com
Mon Sep 4 11:43:00 GMT 2017
On 01/09/17 23:59, Patrick McGehearty wrote:
> --- /dev/null
> +++ b/sysdeps/sparc/fpu/libm_endian.h
is this header useful?
> +#define XBIASED_EXP(x) ((((int *)&x)[HIXWORD] & 0x7fffffff) >> 16)
> +#define ISZEROL(x) (((((int *)&x)[0] & ~XSGNMSK) | ((int *)&x)[1] | \
> + ((int *)&x)[2] | ((int *)&x)[3]) == 0)
i don't see these used and such aliasing violation
is not acceptable anyway.
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