From b87cfcfbe3f534de2736136b6f36d87b77f0b002 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Fri, 2 Jan 2004 16:40:31 -0800
Subject: [PATCH] i386.md (fp constant pool splitter): Reorg suppression for
sse and 387; add suppression for mmx.
* config/i386/i386.md (fp constant pool splitter): Reorg suppression
for sse and 387; add suppression for mmx.
From-SVN: r75349
---
gcc/ChangeLog | 5 +++++
gcc/config/i386/i386.md | 38 +++++++++++++++++++++++++-------------
2 files changed, 30 insertions(+), 13 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96b16ce85e74..41db1bedac3d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-01-02 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (fp constant pool splitter): Reorg suppression
+ for sse and 387; add suppression for mmx.
+
2004-01-02 Andrew Pinski <pinskia@physics.uc.edu>
* loop.c (loop_optimize): Free all loops_info's mems.
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index a004c321b407..75fd86a40d43 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -1,6 +1,6 @@
;; GCC machine description for IA-32 and x86-64.
;; Copyright (C) 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-;; 2001, 2002, 2003
+;; 2001, 2002, 2003, 2004
;; Free Software Foundation, Inc.
;; Mostly by William Schelter.
;; x86_64 support added by Jan Hubicka
@@ -2880,18 +2880,30 @@
&& (GET_MODE (operands[0]) == XFmode
|| GET_MODE (operands[0]) == SFmode || GET_MODE (operands[0]) == DFmode)
&& GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF
- && CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))
- && (!(SSE_REG_P (operands[0]) ||
- (GET_CODE (operands[0]) == SUBREG
- && SSE_REG_P (SUBREG_REG (operands[0]))))
- || standard_sse_constant_p (get_pool_constant (XEXP (operands[1], 0))))
- && (!(FP_REG_P (operands[0]) ||
- (GET_CODE (operands[0]) == SUBREG
- && FP_REG_P (SUBREG_REG (operands[0]))))
- || standard_80387_constant_p (get_pool_constant (XEXP (operands[1], 0))))"
- [(set (match_dup 0)
- (match_dup 1))]
- "operands[1] = get_pool_constant (XEXP (operands[1], 0));")
+ && CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))"
+ [(set (match_dup 0) (match_dup 1))]
+{
+ rtx c = get_pool_constant (XEXP (operands[1], 0));
+ rtx r = operands[0];
+
+ if (GET_CODE (r) == SUBREG)
+ r = SUBREG_REG (r);
+
+ if (SSE_REG_P (r))
+ {
+ if (!standard_sse_constant_p (c))
+ FAIL;
+ }
+ else if (FP_REG_P (r))
+ {
+ if (!standard_80387_constant_p (c))
+ FAIL;
+ }
+ else if (MMX_REG_P (r))
+ FAIL;
+
+ operands[1] = c;
+})
(define_insn "swapxf"
[(set (match_operand:XF 0 "register_operand" "+f")
--
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