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builtins.c (set_builtin_user_assembler_name): Also handle ffs if int is smaller than word.

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* builtins.c (set_builtin_user_assembler_name): Also handle
	ffs if int is smaller than word.

	* gcc.dg/builtin-ffs-1.c: New test.

From-SVN: r156646
This commit is contained in:
Jakub Jelinek 2010-02-10 10:21:12 +01:00
parent f25a2b52ab
commit cbb1ab1040
5 changed files with 36 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-02-10 Jakub Jelinek <jakub@redhat.com>
* builtins.c (set_builtin_user_assembler_name): Also handle
ffs if int is smaller than word.
2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/42973

8
gcc/builtins.c
View File

@ -13594,6 +13594,14 @@ set_builtin_user_assembler_name (tree decl, const char *asmspec)
case BUILT_IN_ABORT:
abort_libfunc = set_user_assembler_libfunc ("abort", asmspec);
break;
case BUILT_IN_FFS:
if (INT_TYPE_SIZE < BITS_PER_WORD)
{
set_user_assembler_libfunc ("ffs", asmspec);
set_optab_libfunc (ffs_optab, mode_for_size (INT_TYPE_SIZE,
MODE_INT, 0), "ffs");
}
break;
default:
break;
}

2
gcc/fortran/ChangeLog
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@ -1,4 +1,4 @@
2010-02-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
2010-02-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/42999
* array.c (gfc_constant_ac): Do not prevent expansion of constructors

6
gcc/testsuite/ChangeLog
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@ -1,4 +1,8 @@
2010-02-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
2010-02-10 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/builtin-ffs-1.c: New test.
2010-02-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/42999
* gfortran.dg/array_constructor_35.f90: New test.

17
gcc/testsuite/gcc.dg/builtin-ffs-1.c Normal file
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@ -0,0 +1,17 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
extern int ffs (int) __asm ("__GI_ffs") __attribute__ ((nothrow, const));
int
ffsll (long long int i)
{
unsigned long long int x = i & -i;
if (x <= 0xffffffff)
return ffs (i);
else
return 32 + ffs (i >> 32);
}
/* { dg-final { scan-assembler-not "\nffs\n|\nffs\[^a-zA-Z0-9_\]|\[^a-zA-Z0-9_\]ffs\n" } } */