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| author | Uros Bizjak <uros@gcc.gnu.org> | 2011-10-20 17:13:30 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2011-10-20 17:13:30 +0200 |
| commit | bbe996ec7145da4d484bce0368ddd7b3aa5212bd (patch) | |
| tree | b2865b0329a5ef25c74c1e8566b4243511b4c51a /gcc/fold-const.c | |
| parent | eb405c4669307ce3b5026984e010faf78571e8b3 (diff) | |
| download | gcc-bbe996ec7145da4d484bce0368ddd7b3aa5212bd.zip gcc-bbe996ec7145da4d484bce0368ddd7b3aa5212bd.tar.gz gcc-bbe996ec7145da4d484bce0368ddd7b3aa5212bd.tar.bz2 | |
re PR target/47989 (-mrecip causes 482.sphinx3, 464.h264ref and 481.wrf to miscompare)
PR target/47989
* config/i386/i386.h (RECIP_MASK_DEFAULT): New define.
* config/i386/i386.op (recip_mask): Initialize with RECIP_MASK_DEFAULT.
* doc/invoke.texi (ix86 Options, -mrecip): Document that GCC
implements vectorized single float division and vectorized sqrtf(x)
with reciprocal sequence with additional Newton-Raphson step with
-ffast-math.
From-SVN: r180256
Diffstat (limited to 'gcc/fold-const.c')
0 files changed, 0 insertions, 0 deletions