diff options
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index 1d27640..f61d009 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -1079,7 +1079,17 @@ emit_stack_restore (save_level, sa, after) } if (sa != 0) - sa = validize_mem (sa); + { + sa = validize_mem (sa); + /* These clobbers prevent the scheduler from moving + references to variable arrays below the code + that deletes (pops) the arrays. */ + emit_insn (gen_rtx_CLOBBER (VOIDmode, + gen_rtx_MEM (BLKmode, + gen_rtx_SCRATCH (VOIDmode)))); + emit_insn (gen_rtx_CLOBBER (VOIDmode, + gen_rtx_MEM (BLKmode, stack_pointer_rtx))); + } if (after) { |