From 5fc94ac4ba15c3ff5d66b71ae5204fd22cbefd38 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Mon, 27 Dec 2004 21:26:23 -0800
Subject: [PATCH] re PR target/17406 (ICE dwarf2out_frame_debug_expr, at
dwarf2out.c:1692)
PR target/17406
* config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
note for allocate_stack_worker insn.
From-SVN: r92662
---
gcc/ChangeLog | 6 ++++++
gcc/config/i386/i386.c | 9 ++++++---
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6c6860be8dbb..9f1531ed77c1 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 054da85e4041..6e65969cdb66 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
--
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