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| author | Janis Johnson <janis187@us.ibm.com> | 2002-01-23 18:48:13 +0000 |
|---|---|---|
| committer | Janis Johnson <janis@gcc.gnu.org> | 2002-01-23 18:48:13 +0000 |
| commit | 1398974cb30a775ca0d8fccd9b86a2cdb77fb654 (patch) | |
| tree | 342a94e88a6ceabfb9686cce503aa1296b2e9162 /gcc/toplev.c | |
| parent | 85d35d90e9a185db0130b9da50e687f22f225941 (diff) | |
| download | gcc-1398974cb30a775ca0d8fccd9b86a2cdb77fb654.zip gcc-1398974cb30a775ca0d8fccd9b86a2cdb77fb654.tar.gz gcc-1398974cb30a775ca0d8fccd9b86a2cdb77fb654.tar.bz2 | |
toplev.c (process_options): Disable -fprefetch-loop-arrays with -Os and issue a warning.
* toplev.c (process_options): Disable -fprefetch-loop-arrays with
-Os and issue a warning.
From-SVN: r49146
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index e8b6102..481c192 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -4988,6 +4988,14 @@ process_options () } #endif + /* This combination of options isn't handled for i386 targets and doesn't + make much sense anyway, so don't allow it. */ + if (flag_prefetch_loop_arrays && optimize_size) + { + warning ("-fprefetch-loop-arrays is not supported with -Os"); + flag_prefetch_loop_arrays = 0; + } + #ifndef OBJECT_FORMAT_ELF if (flag_function_sections && write_symbols != NO_DEBUG) warning ("-ffunction-sections may affect debugging on some targets"); |