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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-11-22 10:42:22 -0800 |
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| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-03 14:09:02 -0700 |
| commit | 2fa3546c8f55c4548240489518784b1da4f182b5 (patch) | |
| tree | bcc5f7ab7624f4b9850ef008b79834c86894b8f2 /include/fpu/softfloat-macros.h | |
| parent | 572c4d862ff2b5f1525044639aa60ec5854c813d (diff) | |
| download | focaccia-qemu-2fa3546c8f55c4548240489518784b1da4f182b5.tar.gz focaccia-qemu-2fa3546c8f55c4548240489518784b1da4f182b5.zip | |
softfloat: Move floatN_log2 to softfloat-parts.c.inc
Rename to parts$N_log2. Though this is partly a ruse, since I do not believe the code will succeed for float128 without work. Which is ok for now, because we do not need this for more than float32 and float64. Since berkeley-testfloat-3 doesn't support log2, compare float64_log2 vs the system log2. Fix the errors for inputs near 1.0: test: 3ff00000000000b0 +0x1.00000000000b0p+0 sf: 3d2fa00000000000 +0x1.fa00000000000p-45 libm: 3d2fbd422b1bd36f +0x1.fbd422b1bd36fp-45 Error in fraction: 32170028290927 ulp test: 3feec24f6770b100 +0x1.ec24f6770b100p-1 sf: bfad3740d13c9ec0 -0x1.d3740d13c9ec0p-5 libm: bfad3740d13c9e98 -0x1.d3740d13c9e98p-5 Error in fraction: 40 ulp Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/fpu/softfloat-macros.h')
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