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re PR middle-end/29335 (transcendental functions with constant arguments should be resolved at compile-time)

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PR middle-end/29335
	* builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
	do_mpfr_sincos): Ensure target base equals two.

From-SVN: r120211
This commit is contained in:
Kaveh R. Ghazi 2006-12-26 19:03:17 +00:00 committed by Kaveh Ghazi
parent 04b5b56c85
commit 5f641bd832
2 changed files with 23 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-12-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
do_mpfr_sincos): Ensure target base equals two.
2006-12-26 Kazu Hirata <kazu@codesourcery.com>
* tree-ssa-operands.c: Fix a comment typo.

22
gcc/builtins.c
View File

@ -11737,7 +11737,10 @@ do_mpfr_arg1 (tree arg, tree type, int (*func)(mpfr_ptr, mpfr_srcptr, mp_rnd_t),
STRIP_NOPS (arg);
if (TREE_CODE (arg) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg))
/* To proceed, MPFR must exactly represent the target floating point
format, which only happens when the target base equals two. */
if (REAL_MODE_FORMAT (TYPE_MODE (type))->b == 2
&& TREE_CODE (arg) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg))
{
const REAL_VALUE_TYPE *const ra = &TREE_REAL_CST (arg);
@ -11776,7 +11779,10 @@ do_mpfr_arg2 (tree arg1, tree arg2, tree type,
STRIP_NOPS (arg1);
STRIP_NOPS (arg2);
if (TREE_CODE (arg1) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg1)
/* To proceed, MPFR must exactly represent the target floating point
format, which only happens when the target base equals two. */
if (REAL_MODE_FORMAT (TYPE_MODE (type))->b == 2
&& TREE_CODE (arg1) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg1)
&& TREE_CODE (arg2) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg2))
{
const REAL_VALUE_TYPE *const ra1 = &TREE_REAL_CST (arg1);
@ -11818,7 +11824,10 @@ do_mpfr_arg3 (tree arg1, tree arg2, tree arg3, tree type,
STRIP_NOPS (arg2);
STRIP_NOPS (arg3);
if (TREE_CODE (arg1) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg1)
/* To proceed, MPFR must exactly represent the target floating point
format, which only happens when the target base equals two. */
if (REAL_MODE_FORMAT (TYPE_MODE (type))->b == 2
&& TREE_CODE (arg1) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg1)
&& TREE_CODE (arg2) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg2)
&& TREE_CODE (arg3) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg3))
{
@ -11858,17 +11867,20 @@ do_mpfr_arg3 (tree arg1, tree arg2, tree arg3, tree type,
static tree
do_mpfr_sincos (tree arg, tree arg_sinp, tree arg_cosp)
{
tree const type = TREE_TYPE (arg);
tree result = NULL_TREE;
STRIP_NOPS (arg);
if (TREE_CODE (arg) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg))
/* To proceed, MPFR must exactly represent the target floating point
format, which only happens when the target base equals two. */
if (REAL_MODE_FORMAT (TYPE_MODE (type))->b == 2
&& TREE_CODE (arg) == REAL_CST && ! TREE_CONSTANT_OVERFLOW (arg))
{
const REAL_VALUE_TYPE *const ra = &TREE_REAL_CST (arg);
if (!real_isnan (ra) && !real_isinf (ra))
{
tree const type = TREE_TYPE (arg);
const int prec = REAL_MODE_FORMAT (TYPE_MODE (type))->p;
tree result_s, result_c;
int inexact;