diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 34 | ||||
| -rw-r--r-- | gcc/cse.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr36438.c | 19 |
3 files changed, 41 insertions, 17 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2447ed4..076cfe3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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> @@ -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)) diff --git a/gcc/testsuite/gcc.target/i386/pr36438.c b/gcc/testsuite/gcc.target/i386/pr36438.c new file mode 100644 index 0000000..38376b8 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr36438.c @@ -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 (); +} |