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re PR middle-end/46251 (ICE: in expand_expr_real_2, at expr.c:7276 with -funsafe-math-optimizations -mbionic and __builtin_sincosl())

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2010-11-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/46251
	* builtins.c (expand_builtin_sincos): Properly build MEM_REFs,
	not INDIRECT_REFs.

	* gcc.dg/pr46251.c: New testcase.

From-SVN: r166235
This commit is contained in:
Richard Guenther 2010-11-03 09:57:13 +00:00 • committed by Richard Biener
parent 71056fef3b
commit ca818bd905
4 changed files with 25 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-11-03 Richard Guenther <rguenther@suse.de>
PR middle-end/46251
* builtins.c (expand_builtin_sincos): Properly build MEM_REFs,
not INDIRECT_REFs.
2010-11-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46107

9
gcc/builtins.c
View file

@ -2474,6 +2474,7 @@ expand_builtin_sincos (tree exp)
tree arg, sinp, cosp;
int result;
location_t loc = EXPR_LOCATION (exp);
tree alias_type, alias_off;
if (!validate_arglist (exp, REAL_TYPE,
POINTER_TYPE, POINTER_TYPE, VOID_TYPE))
@ -2494,8 +2495,12 @@ expand_builtin_sincos (tree exp)
target2 = gen_reg_rtx (mode);
op0 = expand_normal (arg);
op1 = expand_normal (build_fold_indirect_ref_loc (loc, sinp));
op2 = expand_normal (build_fold_indirect_ref_loc (loc, cosp));
alias_type = build_pointer_type_for_mode (TREE_TYPE (arg), ptr_mode, true);
alias_off = build_int_cst (alias_type, 0);
op1 = expand_normal (fold_build2_loc (loc, MEM_REF, TREE_TYPE (arg),
sinp, alias_off));
op2 = expand_normal (fold_build2_loc (loc, MEM_REF, TREE_TYPE (arg),
cosp, alias_off));
/* Compute into target1 and target2.
Set TARGET to wherever the result comes back. */

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-11-03 Richard Guenther <rguenther@suse.de>
PR middle-end/46251
* gcc.dg/pr46251.c: New testcase.
2010-11-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46107

7
gcc/testsuite/gcc.dg/pr46251.c Normal file
View file

@ -0,0 +1,7 @@
/* { dg-do compile } */
/* { dg-options "-ffast-math" } */
void foo (long double *x)
{
__builtin_sincosl (*x, x, x);
}