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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2013-07-26 08:22:25 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2013-07-26 08:22:25 +0000 |
| commit | 85bd4ac6e2dd81712e54d7f6e8c17340dcb36a11 (patch) | |
| tree | ffddeade2b2ae6b5997db6302eb68fa641da9d57 /gcc/combine.c | |
| parent | 62038e61fea9911e708cdc9f9f3fa16557cf9ad0 (diff) | |
| download | gcc-85bd4ac6e2dd81712e54d7f6e8c17340dcb36a11.zip gcc-85bd4ac6e2dd81712e54d7f6e8c17340dcb36a11.tar.gz gcc-85bd4ac6e2dd81712e54d7f6e8c17340dcb36a11.tar.bz2 | |
combine.c (simplify_comparison): Re-canonicalize operands where appropriate.
2013-07-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Richard Earnshaw <richard.earnshaw@arm.com>
* combine.c (simplify_comparison): Re-canonicalize operands
where appropriate.
* config/arm/arm.md (movcond_addsi): New splitter.
Co-Authored-By: Richard Earnshaw <rearnsha@arm.com>
From-SVN: r201260
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index fc94c68..754cd34 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11990,6 +11990,13 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1) } } + /* We may have changed the comparison operands. Re-canonicalize. */ + if (swap_commutative_operands_p (op0, op1)) + { + tem = op0, op0 = op1, op1 = tem; + code = swap_condition (code); + } + /* If this machine only supports a subset of valid comparisons, see if we can convert an unsupported one into a supported one. */ target_canonicalize_comparison (&code, &op0, &op1, 0); |