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re PR middle-end/33007 (builtin lround doesn't work)

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2007-08-22  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33007
	* builtins.c (expand_builtin_int_roundingfn): Replace call
	argument wrapped with SAVE_EXPR directly.
	(expand_builtin_int_roundingfn_2): Likewise.

	* gcc.dg/pr33007.c: New testcase.

From-SVN: r127701
This commit is contained in:
Richard Guenther 2007-08-22 11:43:32 +00:00 • committed by Richard Biener
parent 3fe42b898a
commit 968fc3b64f
4 changed files with 26 additions and 14 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2007-08-22 Richard Guenther <rguenther@suse.de>
PR middle-end/33007
* builtins.c (expand_builtin_int_roundingfn): Replace call
argument wrapped with SAVE_EXPR directly.
(expand_builtin_int_roundingfn_2): Likewise.
2007-08-22 Richard Guenther <rguenther@suse.de>
* tree-inline.c (inlinable_function_p): Restore disregarding

18
gcc/builtins.c
View file

@ -2516,7 +2516,7 @@ expand_builtin_int_roundingfn (tree exp, rtx target, rtx subtarget)
enum built_in_function fallback_fn;
tree fallback_fndecl;
enum machine_mode mode;
tree arg, narg;
tree arg;
if (!validate_arglist (exp, REAL_TYPE, VOID_TYPE))
gcc_unreachable ();
@ -2549,12 +2549,7 @@ expand_builtin_int_roundingfn (tree exp, rtx target, rtx subtarget)
/* Wrap the computation of the argument in a SAVE_EXPR, as we may
need to expand the argument again. This way, we will not perform
side-effects more the once. */
narg = builtin_save_expr (arg);
if (narg != arg)
{
arg = narg;
exp = build_call_expr (fndecl, 1, arg);
}
CALL_EXPR_ARG (exp, 0) = builtin_save_expr (arg);
op0 = expand_expr (arg, subtarget, VOIDmode, EXPAND_NORMAL);
@ -2646,7 +2641,7 @@ expand_builtin_int_roundingfn_2 (tree exp, rtx target, rtx subtarget)
convert_optab builtin_optab;
rtx op0, insns;
tree fndecl = get_callee_fndecl (exp);
tree arg, narg;
tree arg;
enum machine_mode mode;
/* There's no easy way to detect the case we need to set EDOM. */
@ -2678,12 +2673,7 @@ expand_builtin_int_roundingfn_2 (tree exp, rtx target, rtx subtarget)
/* Wrap the computation of the argument in a SAVE_EXPR, as we may
need to expand the argument again. This way, we will not perform
side-effects more the once. */
narg = builtin_save_expr (arg);
if (narg != arg)
{
arg = narg;
exp = build_call_expr (fndecl, 1, arg);
}
CALL_EXPR_ARG (exp, 0) = builtin_save_expr (arg);
op0 = expand_expr (arg, subtarget, VOIDmode, EXPAND_NORMAL);

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2007-08-22 Richard Guenther <rguenther@suse.de>
PR middle-end/33007
* gcc.dg/pr33007.c: New testcase.
2007-08-22 Richard Sandiford <richard@codesourcery.com>
* gcc.c-torture/execute/strcmp-1.x: Delete.

10
gcc/testsuite/gcc.dg/pr33007.c Normal file
View file

@ -0,0 +1,10 @@
/* { dg-do compile } */
/* { dg-options "-O -ffast-math -ftrapping-math" } */
long
foo (int i)
{
float x;
x = i;
return __builtin_lroundf (x);
}