From 4ff5474ba82bd992f3031fd176cbfe712ecef179 Mon Sep 17 00:00:00 2001 From: Alexander Kabaev Date: Fri, 7 Nov 2003 03:27:32 +0000 Subject: [PATCH] Merge revs 1.2 (-fformat-extensions), 1.7 (FORCE_OPTIMIZATION_DOWNGRADE knob), 1.14 (-O/-O1 optimize alignment for time, not size). Back out r1.22 which used to enable warnings in system headers by default. --- contrib/gcc/toplev.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/contrib/gcc/toplev.c b/contrib/gcc/toplev.c index 60a6bca1427..5947f6fec90 100644 --- a/contrib/gcc/toplev.c +++ b/contrib/gcc/toplev.c @@ -1410,7 +1410,7 @@ int inhibit_warnings = 0; /* Don't suppress warnings from system headers. -Wsystem-headers. */ -int warn_system_headers = 1; +int warn_system_headers = 0; /* Print various extra warnings. -W. */ @@ -2823,7 +2823,8 @@ rest_of_compilation (decl) tem = cse_main (insns, max_reg_num (), 0, rtl_dump_file); if (tem) rebuild_jump_labels (insns); - purge_all_dead_edges (0); + if (purge_all_dead_edges (0)) + delete_unreachable_blocks (); delete_trivially_dead_insns (insns, max_reg_num ()); @@ -3468,6 +3469,23 @@ rest_of_compilation (decl) #endif #ifdef STACK_REGS +#if defined (HAVE_ATTR_length) + /* If flow2 creates new instructions which need splitting + and scheduling after reload is not done, they might not be + splitten until final which doesn't allow splitting + if HAVE_ATTR_length. */ +#ifdef INSN_SCHEDULING + if (optimize && !flag_schedule_insns_after_reload) +#else + if (optimize) +#endif + { + timevar_push (TV_SHORTEN_BRANCH); + split_all_insns (1); + timevar_pop (TV_SHORTEN_BRANCH); + } +#endif + timevar_push (TV_REG_STACK); open_dump_file (DFI_stack, decl);