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Merge vrp-tree fix from gcc-4.3

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Fix missed conversion from / to >> (GCC PR32521)

Note that vrp-tree is currently disabled by default in
FreeBSD's gcc due many bugs.

While here fix a revision number in the 4.3 Changelog.

Obtained from:	gcc 4.3 (rev. 122831 - partial; GPLv2)
MFC after:	3 weeks
This commit is contained in:
Pedro F. Giffuni 2013-11-14 20:21:05 +00:00
parent 868eef3239
commit 448b703500
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=258143
2 changed files with 7 additions and 2 deletions
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7
contrib/gcc/ChangeLog.gcc43
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@ -1,4 +1,4 @@
2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de> (r23479)
2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de> (r125346)
PR preprocessor/23479
* doc/extend.texi: Document the 0b-prefixed binary integer
@ -49,6 +49,11 @@
* config/i386/i386.c (override_options): Likewise.
* doc/invoke.texi: Likewise.
2007-03-11 Ian Lance Taylor <iant@google.com> (r122831 - partial)
* tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
the *_DIV_EXPR codes correctly with overflow infinities.
2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> (r121763)
* config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.

2
contrib/gcc/tree-vrp.c
View File

@ -4914,7 +4914,7 @@ simplify_div_or_mod_using_ranges (tree stmt, tree rhs, enum tree_code rhs_code)
{
bool sop = false;
val = compare_range_with_value (GT_EXPR, vr, integer_zero_node, &sop);
val = compare_range_with_value (GE_EXPR, vr, integer_zero_node, &sop);
if (val
&& sop