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| author | Nathan Sidwell <nathan@codesourcery.com> | 2005-12-01 15:03:23 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2005-12-01 15:03:23 +0000 |
| commit | 96fd03a4d5c51d70222b2a2470699dfc52ee8d10 (patch) | |
| tree | 2246f86f2dd6ce0a10fe7cf9d8ab7700b0b6e579 /gcc | |
| parent | 9e28024aeb0a31037280e3cc579e7c289287d8ee (diff) | |
| download | gcc-96fd03a4d5c51d70222b2a2470699dfc52ee8d10.zip gcc-96fd03a4d5c51d70222b2a2470699dfc52ee8d10.tar.gz gcc-96fd03a4d5c51d70222b2a2470699dfc52ee8d10.tar.bz2 | |
* config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
From-SVN: r107821
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/config/ms1/ms1.c | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 17808f0..28a1856 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2005-12-01 Nathan Sidwell <nathan@codesourcery.com> + * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves. + * vec.h (VEC_block_remove): New. 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net> diff --git a/gcc/config/ms1/ms1.c b/gcc/config/ms1/ms1.c index 19f02a1..9bc5138 100644 --- a/gcc/config/ms1/ms1.c +++ b/gcc/config/ms1/ms1.c @@ -1915,7 +1915,16 @@ ms1_reorg_hazard (void) break; } } - count -= INSN_CODE (prev) >= 0; + + if (INSN_CODE (prev) >= 0) + { + rtx set = single_set (prev); + + /* A noop set will get deleted in a later split pass, + so we can't count on it for hazard avoidance. */ + if (!set || !set_noop_p (set)) + count--; + } } if (rescan) |