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authorKelley Cook <kcook@gcc.gnu.org>2003-10-17 12:28:33 +0000
committerR. Kelley Cook <kcook@gcc.gnu.org>2003-10-17 12:28:33 +0000
commitb1177d691d174e4af10475798f9d12c6c93d003a (patch)
tree5c1bf13de679d9ccf46d901892ca73ffdc4f9234 /gcc
parent3c7404d343647db31c167395607e9b5f34093fbc (diff)
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i386.c (ix86_expand_prologue): Use gen_allocate_stack_worker.
* config/i386/i386.c (ix86_expand_prologue): Use gen_allocate_stack_worker. From-SVN: r72601
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/i386/i386.c24
2 files changed, 13 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b73afb9..b82a371 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-17 Kelley Cook <kcook@gcc.gnu.org>
+
+ * config/i386/i386.c (ix86_expand_prologue): Use
+ gen_allocate_stack_worker.
+
2003-10-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* config.gcc (mips-sgi-irix6*o32): Only enable use_collect2
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index dbdb194..580c393 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -5073,27 +5073,19 @@ ix86_expand_prologue (void)
}
else
{
- /* ??? Is this only valid for Win32? */
+ /* Only valid for Win32 */
- rtx arg0, sym;
+ const rtx eax = gen_rtx_REG (SImode, 0);
+ rtx rtx_allocate = GEN_INT(allocate);
if (TARGET_64BIT)
- abort ();
-
- arg0 = gen_rtx_REG (SImode, 0);
- emit_move_insn (arg0, GEN_INT (allocate));
-
- sym = gen_rtx_MEM (FUNCTION_MODE,
- gen_rtx_SYMBOL_REF (Pmode, "_alloca"));
- insn = emit_call_insn (gen_call (sym, const0_rtx, constm1_rtx));
+ abort ();
- CALL_INSN_FUNCTION_USAGE (insn)
- = gen_rtx_EXPR_LIST (VOIDmode, gen_rtx_USE (VOIDmode, arg0),
- CALL_INSN_FUNCTION_USAGE (insn));
+ insn = emit_move_insn (eax, rtx_allocate);
+ RTX_FRAME_RELATED_P (insn) = 1;
- /* Don't allow scheduling pass to move insns across __alloca
- call. */
- emit_insn (gen_blockage (const0_rtx));
+ insn = emit_insn (gen_allocate_stack_worker (eax));
+ RTX_FRAME_RELATED_P (insn) = 1;
}
if (frame.save_regs_using_mov && !TARGET_RED_ZONE)
{