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| author | Richard Biener <rguenther@suse.de> | 2019-11-28 12:22:04 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-11-28 12:22:04 +0000 |
| commit | 78307657cf9675bc4aa2e77561c823834714b4c8 (patch) | |
| tree | 6de9c129106da4f2ae45eead1fcf8d68f7438fa0 /gcc/tree-inline.c | |
| parent | 09f8027ce58fb2162fc6577cc7777409cfd06014 (diff) | |
| download | gcc-78307657cf9675bc4aa2e77561c823834714b4c8.zip gcc-78307657cf9675bc4aa2e77561c823834714b4c8.tar.gz gcc-78307657cf9675bc4aa2e77561c823834714b4c8.tar.bz2 | |
re PR tree-optimization/92645 (Hand written vector code is 450 times slower when compiled with GCC compared to Clang)
2019-11-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/92645
* tree-ssa-forwprop.c (get_bit_field_ref_def): Also handle
conversions inside a mode class. Remove restriction on
preserving the element size.
(simplify_vector_constructor): Deal with the above and for
identity permutes also try using VEC_UNPACK_[FLOAT_]LO_EXPR
and VEC_PACK_TRUNC_EXPR.
* gcc.target/i386/pr92645-4.c: New testcase.
From-SVN: r278806
Diffstat (limited to 'gcc/tree-inline.c')
0 files changed, 0 insertions, 0 deletions