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gcc 4.2.1: fix undefined reference to fmsub in C++ programs with soft float

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Fix 'undefined reference to fmsub' linking errors with C++ programs
when soft float is enabled. Patch by b5331.

Closes #1588.
This commit is contained in:
Peter Korsgaard 2008-03-27 19:37:33 +00:00
parent 311886d913
commit 1ab26cfe38
1 changed files with 21 additions and 0 deletions
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21
toolchain/gcc/4.2.1/920-soft-float.patch Normal file
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@ -0,0 +1,21 @@
diff -uNpr gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c
--- gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c 2007-03-05 11:54:00.000000000 -0500
+++ gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c 2008-01-31 17:51:24.000000000 -0500
@@ -70,6 +70,8 @@ Software Foundation, 51 Franklin Street,
but GCC currently generates poor code when a union is used to turn
a long double into a pair of doubles. */
+#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
+
long double __gcc_qadd (double, double, double, double);
long double __gcc_qsub (double, double, double, double);
long double __gcc_qmul (double, double, double, double);
@@ -219,8 +221,6 @@ __gcc_qdiv (double a, double b, double c
return z.ldval;
}
-#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
-
long double __gcc_qneg (double, double);
int __gcc_qeq (double, double, double, double);
int __gcc_qne (double, double, double, double);