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re PR target/32268 (Wrong comparison results for __float128 operands)

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PR target/32268
        * config/i386/sfp-machine.c (CMPtype): New define.
        (mach stubs): Use CMPtype instead of int as a return type.

testsuite/ChangeLog:

        PR target/32268
        * gcc.target/i386/pr32268.c: New test.

From-SVN: r125720
This commit is contained in:
Uros Bizjak 2007-06-14 22:15:13 +02:00 • committed by Uros Bizjak
parent 97943b3c8b
commit 4962b67943
4 changed files with 49 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-06-14 Uros Bizjak <ubizjak@gmail.com>
PR target/32268
* config/i386/sfp-machine.c (CMPtype): New define.
(mach stubs): Use CMPtype instead of int as a return type.
2007-06-14 Uros Bizjak <ubizjak@gmail.com>
* config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,

8
gcc/config/i386/sfp-machine.h
View file

@ -8,6 +8,10 @@ typedef unsigned int UTItype __attribute__((mode(TI)));
#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
/* The type of the result of a floating point comparison.
This must match `word_mode' in GCC for the target. */
#define CMPtype long
#define _FP_MUL_MEAT_Q(R,X,Y) \
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
@ -129,9 +133,9 @@ struct fenv
/* Define ALIASNAME as a strong alias for NAME. */
#if defined __MACH__
/* Mach-O doesn't support aliasing. If these functions ever return
anything but int we need to revisit this... */
anything but CMPtype we need to revisit this... */
#define strong_alias(name, aliasname) \
int aliasname (TFtype a, TFtype b) { return name(a, b); }
CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); }
#else
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2007-06-14 Uros Bizjak <ubizjak@gmail.com>
PR target/32268
* gcc.target/i386/pr32268.c: New test.
2007-06-14 H.J. Lu <hongjiu.lu@intel.com>
* gcc.dg/dfp/fe-convert-1.c: Expect FE_OVERFLOW when converting

32
gcc/testsuite/gcc.target/i386/pr32268.c Normal file
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@ -0,0 +1,32 @@
/* { dg-do run { target { { i?86-*-linux* x86_64-*-linux* } && lp64 } } } */
/* { dg-options "-O2" } */
extern void abort(void);
int test_lt(__float128 x, __float128 y)
{
return x < y;
}
int test_gt (__float128 x, __float128 y)
{
return x > y;
}
int main()
{
__float128 a = 0.0;
__float128 b = 1.0;
int r;
r = test_lt (a, b);
if (r != ((double) a < (double) b))
abort();
r = test_gt (a, b);
if (r != ((double) a > (double) b))
abort();
return 0;
}