gcc 4.2.1: fix undefined reference to fmsub in C++ programs with soft float
Fix 'undefined reference to fmsub' linking errors with C++ programs when soft float is enabled. Patch by b5331. Closes #1588.
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toolchain/gcc/4.2.1/920-soft-float.patch
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21
toolchain/gcc/4.2.1/920-soft-float.patch
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@ -0,0 +1,21 @@
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diff -uNpr gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c
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--- gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c 2007-03-05 11:54:00.000000000 -0500
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+++ gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c 2008-01-31 17:51:24.000000000 -0500
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@@ -70,6 +70,8 @@ Software Foundation, 51 Franklin Street,
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but GCC currently generates poor code when a union is used to turn
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a long double into a pair of doubles. */
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+#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
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+
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long double __gcc_qadd (double, double, double, double);
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long double __gcc_qsub (double, double, double, double);
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long double __gcc_qmul (double, double, double, double);
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@@ -219,8 +221,6 @@ __gcc_qdiv (double a, double b, double c
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return z.ldval;
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}
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-#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)
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-
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long double __gcc_qneg (double, double);
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int __gcc_qeq (double, double, double, double);
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int __gcc_qne (double, double, double, double);
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