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| author | Alan Modra <amodra@gmail.com> | 2017-01-20 09:51:53 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2017-01-20 09:51:53 +1030 |
| commit | 945a01f92138e0887ac258c7979392fb4661aa97 (patch) | |
| tree | 2ab9a88077e4a00a94e74a7bac88d342dd944280 | |
| parent | 5699b9d11556148547b478d1b4591359c7b89ac5 (diff) | |
| download | gcc-945a01f92138e0887ac258c7979392fb4661aa97.zip gcc-945a01f92138e0887ac258c7979392fb4661aa97.tar.gz gcc-945a01f92138e0887ac258c7979392fb4661aa97.tar.bz2 | |
[RS6000] Don't expand strcmp and strncmp inline when -Os
* config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
optimizing for size.
From-SVN: r244660
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 33eb129..d231ff4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-01-20 Alan Modra <amodra@gmail.com> + * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if + optimizing for size. + +2017-01-20 Alan Modra <amodra@gmail.com> + PR target/79144 * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name for strcmp and strncmp from corresponding builtin decl. diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 9ef3b11..3f29221 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -9102,6 +9102,9 @@ (use (match_operand:SI 4))])] "TARGET_CMPB && (BYTES_BIG_ENDIAN || TARGET_LDBRX)" { + if (optimize_insn_for_size_p ()) + FAIL; + if (expand_strn_compare (operands, 0)) DONE; else @@ -9121,6 +9124,9 @@ (use (match_operand:SI 3))])] "TARGET_CMPB && (BYTES_BIG_ENDIAN || TARGET_LDBRX)" { + if (optimize_insn_for_size_p ()) + FAIL; + if (expand_strn_compare (operands, 1)) DONE; else |