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| author | Taylor Simpson | 2021-04-09 03:07:39 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-05-01 17:31:43 +0200 |
| commit | 1cb532fe45991b70cf47c414e0bc4fe63f571a8a (patch) | |
| tree | 4ca946bd9006db5d5650ce9405bd9fa68023fa88 /target/hexagon/arch.c | |
| parent | Hexagon (target/hexagon) use softfloat default NaN and tininess (diff) | |
| download | qemu-1cb532fe45991b70cf47c414e0bc4fe63f571a8a.tar.gz qemu-1cb532fe45991b70cf47c414e0bc4fe63f571a8a.tar.xz qemu-1cb532fe45991b70cf47c414e0bc4fe63f571a8a.zip | |
Hexagon (target/hexagon) replace float32_mul_pow2 with float32_scalbn
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-12-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hexagon/arch.c')
| -rw-r--r-- | target/hexagon/arch.c | 28 |
1 files 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; |