re PR target/28911 (Cross compiler build for m68k--elf fails on x86_64-linux-gnu)

gcc/
	PR target/28911
	* config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
	-2147483647 - 1 instead of 0x80000000.

gcc/testsuite/
	PR target/28911
	* gcc.dg/pr28911.c: New.

From-SVN: r117181

gcc/ChangeLog

+2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
+
+	PR target/28911
+	* config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
+	-2147483647 - 1 instead of 0x80000000.
+
 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
 
 	* flags.h (HONOR_NANS): Fix typo in comment.

gcc/config/m68k/m68k.md

@@ -3721,7 +3721,7 @@
       target = operand_subword_force (operands[0], 0, SFmode);
       result = expand_binop (SImode, xor_optab,
 			     operand_subword_force (operands[1], 0, SFmode),
-			     GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
+			     GEN_INT (-2147483647 - 1), target, 0, OPTAB_WIDEN);
       gcc_assert (result);
 
       if (result != target)
@@ -3748,7 +3748,7 @@
       target = operand_subword (operands[0], 0, 1, DFmode);
       result = expand_binop (SImode, xor_optab,
 			     operand_subword_force (operands[1], 0, DFmode),
-			     GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
+			     GEN_INT (-2147483647 - 1), target, 0, OPTAB_WIDEN);
       gcc_assert (result);
 
       if (result != target)
@@ -3780,7 +3780,7 @@
       target = operand_subword (operands[0], 0, 1, XFmode);
       result = expand_binop (SImode, xor_optab,
 			     operand_subword_force (operands[1], 0, XFmode),
-			     GEN_INT (0x80000000), target, 0, OPTAB_WIDEN);
+			     GEN_INT (-2147483647 - 1), target, 0, OPTAB_WIDEN);
       gcc_assert (result);
 
       if (result != target)

gcc/testsuite/ChangeLog

+2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
+
+	PR target/28911
+	* gcc.dg/pr28911.c: New.
+
 2006-09-23  Uros Bizjak  <uros@kss-loka.si>
 
 	PR target/29169

gcc/testsuite/gcc.dg/pr28911.c

+/* PR target/28911
+   The following used to cause crash on m68k-elf because 0x80000000
+   was used as an SImode constant.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -m68000" { target m68k-*-* } } */
+
+_Complex float
+foo (float a)
+{
+  return __builtin_copysign (a != a, a);
+}