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re PR rtl-optimization/36438 (gcc ICE compiling code with mmx builtin)

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PR rtl-optimization/36438
	* cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
	for vector shifts with constant scalar shift operands.

From-SVN: r136486
This commit is contained in:
Uros Bizjak 2008-06-06 17:04:51 +02:00
parent 8b34d6c2bf
commit 88057dc868
3 changed files with 41 additions and 17 deletions
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34
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2008-06-06 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/36438
* cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
for vector shifts with constant scalar shift operands.
2008-06-06 Sandip Matte <sandip@rmicorp.com>
* doc/invoke.texi: Document -march=xlr.
@ -25,8 +31,7 @@
2008-06-06 Jakub Jelinek <jakub@redhat.com>
* c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to
200805.
* c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
* langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
Add omp_private_outer_ref hook, add another argument to
omp_clause_default_ctor hook.
@ -155,8 +160,7 @@
(gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
Adjust callers.
(gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause
langhook.
GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook.
(new_omp_context): Set default_kind to
OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
(omp_region_type): New enum.
@ -256,8 +260,7 @@
omp_for_data changes.
(lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
not after it. Handle collapsed OMP_FOR loops, adjust for
OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data
caller.
OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
(get_ws_args_for): Adjust extract_omp_for_data caller.
(scan_omp_for): Handle collapsed OMP_FOR
loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
@ -490,7 +493,7 @@
2008-06-04 Andy Hutchinson <hutchinsonandy@aim.com>
PR target/27386
* config/avr/avr.h: (PUSH_ROUNDING): Remove.
* config/avr/avr.h (PUSH_ROUNDING): Remove.
2008-06-04 Andy Hutchinson <hutchinsonandy@aim.com>
@ -530,8 +533,7 @@
2008-06-04 Richard Guenther <rguenther@suse.de>
* tree-flow-inline.h (is_global_var): Do not check TREE_STATIC
on MTAGs.
* tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
(is_call_clobbered): Always check var_ann->call_clobbered.
(mark_call_clobbered): Always set var_ann->call_clobbered.
(clear_call_clobbered): Always clear var_ann->call_clobbered.
@ -543,7 +545,7 @@
(may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
2008-06-04 Joseph Myers <joseph@codesourcery.com>
Maxim Kuvyrkov <maxim@codesourcery.com>
Maxim Kuvyrkov <maxim@codesourcery.com>
* config/m68k/m68k.opt (mxgot): New option.
* config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
@ -560,7 +562,7 @@
2008-06-03 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_gen_leave): New.
* config/i386/i386.c (ix86_gen_leave): New.
(ix86_gen_pop1): Likewise.
(ix86_gen_add3): Likewise.
(ix86_gen_sub3): Likewise.
@ -597,8 +599,7 @@
2008-06-03 Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
* config/i386/i386.h (ix86_reg_parm_stack_space): Removed
prototype.
* config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
* config/i386/i386.c (ix86_reg_parm_stack_space): Changed
return type to int.
(ix86_call_abi_override): Remove check for call_used_regs.
@ -612,8 +613,7 @@
* doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
* doc/extend.texi (ms_abi,sysv_abi): New attribute description.
* function.c (allocate_struct_function): Use of
OVERRIDE_ABI_FORMAT.
* function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
* config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
of cfun and DEFAULT_ABI to deceide abi mode.
(DEFAULT_ABI): New.
@ -675,8 +675,8 @@
(ix86_reg_parm_stack_space): New prototype.
(CUMULATIVE_ARGS): Add call_abi member.
(machine_function): Add call_abi member.
* config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace TARGET_64BIT_MS_ABI
by DEFAULT_ABI compare to MS_ABI.
* config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
2008-06-02 Andy Hutchinson <hutchinsonandy@aim.com>

5
gcc/cse.c
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@ -3489,6 +3489,11 @@ fold_rtx (rtx x, rtx insn)
&& exact_log2 (- INTVAL (const_arg1)) >= 0)))
break;
/* ??? Vector mode shifts by scalar
shift operand are not supported yet. */
if (is_shift && VECTOR_MODE_P (mode))
break;
if (is_shift
&& (INTVAL (inner_const) >= GET_MODE_BITSIZE (mode)
|| INTVAL (inner_const) < 0))

19
gcc/testsuite/gcc.target/i386/pr36438.c Normal file
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@ -0,0 +1,19 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mmmx" } */
#include <mmintrin.h>
extern __m64 SetS16 (unsigned short, unsigned short,
unsigned short, unsigned short);
void foo(__m64* dest)
{
__m64 mask = SetS16 (0x00FF, 0xFF00, 0x0000, 0x00FF);
mask = _mm_slli_si64(mask, 8);
mask = _mm_slli_si64(mask, 8);
*dest = mask;
_mm_empty ();
}