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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 | |
| 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
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/toplev.c | 8 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b643950..5b72996 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-01-23 Janis Johnson <janis187@us.ibm.com> + + * toplev.c (process_options): Disable -fprefetch-loop-arrays with + -Os and issue a warning. + 2002-01-23 Zack Weinberg <zack@codesourcery.com> * doc/fragments.texi, doc/hostconfig.texi: Update to reflect @@ -119,7 +124,7 @@ 2002-01-22 Janis Johnson <janis187@us.ibm.com> * Makefile.in (loop.o): Depend on OPTABS_H. - * loop.c (expand_builtin_prefetch): Check the prefetch operand + * loop.c (emit_prefetch_instructions): Check the prefetch operand against the predicate. PR target/5379 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"); |