diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 65fa8e457ec..a0af7b39436 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -864,9 +864,18 @@ rtx gen_reg_rtx (enum machine_mode mode) { rtx val; + unsigned int align = GET_MODE_ALIGNMENT (mode); gcc_assert (can_create_pseudo_p ()); + /* If a virtual register with bigger mode alignment is generated, + increase stack alignment estimation because it might be spilled + to stack later. */ + if (SUPPORTS_STACK_ALIGNMENT + && crtl->stack_alignment_estimated < align + && !crtl->stack_realign_processed) + crtl->stack_alignment_estimated = align; + if (generating_concat_p && (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT || GET_MODE_CLASS (mode) == MODE_COMPLEX_INT)) |