From 1cb532fe45991b70cf47c414e0bc4fe63f571a8a Mon Sep 17 00:00:00 2001 From: Taylor Simpson Date: Thu, 8 Apr 2021 20:07:39 -0500 Subject: [PATCH] Hexagon (target/hexagon) replace float32_mul_pow2 with float32_scalbn Suggested-by: Richard Henderson Signed-off-by: Taylor Simpson Reviewed-by: Richard Henderson Message-Id: <1617930474-31979-12-git-send-email-tsimpson@quicinc.com> Signed-off-by: Richard Henderson --- target/hexagon/arch.c | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/target/hexagon/arch.c b/target/hexagon/arch.c index bb51f19a3d..40b6e3d0c0 100644 --- a/target/hexagon/arch.c +++ b/target/hexagon/arch.c @@ -143,12 +143,6 @@ void arch_fpop_end(CPUHexagonState *env) } } -static float32 float32_mul_pow2(float32 a, uint32_t p, float_status *fp_status) -{ - float32 b = make_float32((SF_BIAS + p) << SF_MANTBITS); - return float32_mul(a, b, fp_status); -} - int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, int *adjust, float_status *fp_status) { @@ -217,22 +211,22 @@ int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, int *adjust, if ((n_exp - d_exp + SF_BIAS) <= SF_MANTBITS) { /* Near quotient underflow / inexact Q */ PeV = 0x80; - RtV = float32_mul_pow2(RtV, -64, fp_status); - RsV = float32_mul_pow2(RsV, 64, fp_status); + RtV = float32_scalbn(RtV, -64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); } else if ((n_exp - d_exp + SF_BIAS) > (SF_MAXEXP - 24)) { /* Near quotient overflow */ PeV = 0x40; - RtV = float32_mul_pow2(RtV, 32, fp_status); - RsV = float32_mul_pow2(RsV, -32, fp_status); + RtV = float32_scalbn(RtV, 32, fp_status); + RsV = float32_scalbn(RsV, -32, fp_status); } else if (n_exp <= SF_MANTBITS + 2) { - RtV = float32_mul_pow2(RtV, 64, fp_status); - RsV = float32_mul_pow2(RsV, 64, fp_status); + RtV = float32_scalbn(RtV, 64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); } else if (d_exp <= 1) { - RtV = float32_mul_pow2(RtV, 32, fp_status); - RsV = float32_mul_pow2(RsV, 32, fp_status); + RtV = float32_scalbn(RtV, 32, fp_status); + RsV = float32_scalbn(RsV, 32, fp_status); } else if (d_exp > 252) { - RtV = float32_mul_pow2(RtV, -32, fp_status); - RsV = float32_mul_pow2(RsV, -32, fp_status); + RtV = float32_scalbn(RtV, -32, fp_status); + RsV = float32_scalbn(RsV, -32, fp_status); } RdV = 0; ret = 1; @@ -274,7 +268,7 @@ int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, int *adjust, /* Basic checks passed */ r_exp = float32_getexp(RsV); if (r_exp <= 24) { - RsV = float32_mul_pow2(RsV, 64, fp_status); + RsV = float32_scalbn(RsV, 64, fp_status); PeV = 0xe0; } RdV = 0; -- 2.11.4.GIT