diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 9 |
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6c6860be8db..9f1531ed77c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-12-27 Richard Henderson <rth@redhat.com> + + PR target/17406 + * config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR + note for allocate_stack_worker insn. + 2004-12-27 Jason Merrill <jason@redhat.com> * doc/tm.texi (TARGET_RELAXED_ORDERING): Document. 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 |