From 1398974cb30a775ca0d8fccd9b86a2cdb77fb654 Mon Sep 17 00:00:00 2001 From: Janis Johnson Date: Wed, 23 Jan 2002 18:48:13 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 7 ++++++- gcc/toplev.c | 8 ++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b643950bfb1..5b72996f819 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-01-23 Janis Johnson + + * toplev.c (process_options): Disable -fprefetch-loop-arrays with + -Os and issue a warning. + 2002-01-23 Zack Weinberg * doc/fragments.texi, doc/hostconfig.texi: Update to reflect @@ -119,7 +124,7 @@ 2002-01-22 Janis Johnson * 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 e8b6102d8d6..481c1923d39 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"); -- 2.30.2