Fix tail-merge pass for dead type-unsafe code

2014-11-19  Tom de Vries  <tom@codesourcery.com>

	Backport from mainline
	PR tree-optimization/62167
	* tree-ssa-tail-merge.c (stmt_local_def): Handle statements with vuse
	conservatively.
	(gimple_equal_p): Don't use vn_valueize to compare for lhs equality of
	assigns.

	* gcc.dg/pr51879-12.c: Add xfails.
	* gcc.dg/pr62167-run.c: New test.
	* gcc.dg/pr62167.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217764 138bc75d-0d04-0410-961f-82ee72b054a4
	PR target/63947
	* config/i386/i386.c (put_condition_code) <case LTU, case GEU>:
	Output "b" and "nb" suffix for FP mode.

testsuite/ChangeLog:

	PR target/63947
	* gcc.target/i386/pr63947.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217819 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217820 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217896 138bc75d-0d04-0410-961f-82ee72b054a4
2014-11-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/63673
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Allow
	the base pointer of vec_vsx_ld and vec_vsx_st to take a pointer to
	double.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217931 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217953 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/
	Backport from mainline
	2014-11-20  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/60111
	* config/sh/sh.c: Use signed char for signed field.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217959 138bc75d-0d04-0410-961f-82ee72b054a4
	Backport from mainline
	2014-11-20  Vincent Celier  <celier@adacore.com>

	PR ada/47500
	* back_end.adb (Scan_Back_End_Switches): Skip switch -G and
	its argument.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217963 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@217976 138bc75d-0d04-0410-961f-82ee72b054a4
Merge remote-tracking branch 'gnu/gcc-4_8-branch' into 4.8.4