diff options
| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-28 05:26:23 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-28 05:26:23 +0000 |
| commit | d8fec1042a0324b660e453112d92e9a6b5773e0c (patch) | |
| tree | d0d2099136724346b286c78685dddeb838bd7b1e /gcc/config/i386/i386.c | |
| parent | 2ca3d4265da8753b1bf9b447e99bfc4f6259e17c (diff) | |
| download | gcc-d8fec1042a0324b660e453112d92e9a6b5773e0c.tar.gz | |
PR target/17406
* config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
note for allocate_stack_worker insn.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92662 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 054da85e404..6e65969cdb6 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -4331,6 +4331,7 @@ ix86_expand_prologue (void) /* Only valid for Win32. */ rtx eax = gen_rtx_REG (SImode, 0); bool eax_live = ix86_eax_live_at_start_p (); + rtx t; if (TARGET_64BIT) abort (); @@ -4341,15 +4342,17 @@ ix86_expand_prologue (void) allocate -= 4; } - insn = emit_move_insn (eax, GEN_INT (allocate)); - RTX_FRAME_RELATED_P (insn) = 1; + emit_move_insn (eax, GEN_INT (allocate)); insn = emit_insn (gen_allocate_stack_worker (eax)); RTX_FRAME_RELATED_P (insn) = 1; + t = gen_rtx_PLUS (Pmode, stack_pointer_rtx, GEN_INT (-allocate)); + t = gen_rtx_SET (VOIDmode, stack_pointer_rtx, t); + REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, + t, REG_NOTES (insn)); if (eax_live) { - rtx t; if (frame_pointer_needed) t = plus_constant (hard_frame_pointer_rtx, allocate |