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fix SH long long compare

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From-SVN: r134380
This commit is contained in:
Christian Bruel 2008-04-17 08:49:16 +02:00 • committed by Christian Bruel
parent ca4ceacbbb
commit d60819f868
4 changed files with 143 additions and 0 deletions
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5
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2008-04-17 Christian Bruel <christian.bruel@st.com>
* config/sh/sh.c (expand_cbranchdi4): Use original operands for
msw_skip comparison.
2008-04-16 Jakub Jelinek <jakub@redhat.com>
PR c/35739

8
gcc/config/sh/sh.c
View file

@ -1685,6 +1685,14 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
{
rtx taken_label = operands[3];
/* Operands were possibly modified, but msw_skip doesn't expect this.
Always use the original ones. */
if (msw_taken != CODE_FOR_nothing)
{
operands[1] = op1h;
operands[2] = op2h;
}
operands[3] = skip_label = gen_label_rtx ();
expand_cbranchsi4 (operands, msw_skip, msw_skip_prob);
operands[3] = taken_label;

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2008-04-17 Christian Bruel <christian.bruel@st.com>
* gcc.dg/dicomp.c: New testcase.
2008-04-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/35724

126
gcc/testsuite/gcc.dg/long-long-compare-1.c Normal file
View file

@ -0,0 +1,126 @@
/* Problem only noticed on SH for -mcbranchdi DImode comparison with constants.
* Target dependant failure but test valid for alls. */
/* { dg-do run } */
/* { dg-options "-O0" } */
/* { dg-options "-O0 -mcbranchdi" { target sh4-*-* } } */
extern void abort(void);
extern void exit(int);
int test2(long long n)
{
if (n < 2)
return 1;
return 0;
}
int test1(long long n)
{
if (n < 1)
return 1;
return 0;
}
int test0(long long n)
{
if (n < 0)
return 1;
return 0;
}
int test1n(long long n)
{
if (n < -1LL)
return 1;
return 0;
}
int test2n(long long n)
{
if (n < -2LL)
return 1;
return 0;
}
int main()
{
if (test2n (-1LL))
abort ();
if (test2n (-2LL))
abort ();
if (test2n (0LL))
abort ();
if (test2n (1LL))
abort ();
if (test2n (2LL))
abort ();
if (test1n (-1LL))
abort ();
if (!test1n (-2LL))
abort ();
if (test1n (0LL))
abort ();
if (test1n (1LL))
abort ();
if (test1n (2LL))
abort ();
if (!test0 (-1LL))
abort ();
if (!test0 (-2LL))
abort ();
if (test0 (0LL))
abort ();
if (test0 (1LL))
abort ();
if (test0 (2LL))
abort ();
if (!test2 (-1LL))
abort ();
if (!test2 (-2LL))
abort ();
if (!test2 (0LL))
abort ();
if (!test2 (1LL))
abort ();
if (test2 (2LL))
abort ();
if (!test1 (-1LL))
abort ();
if (!test1 (-2LL))
abort ();
if (!test1 (0LL))
abort ();
if (test1 (1LL))
abort ();
if (test1 (2LL))
abort ();
exit (0);
}