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optabs.c (prepare_cmp_insn): Expand comparison of the result of memcmp through… 

optabs.c (prepare_cmp_insn): Expand comparison of the result of memcmp through generic comparison expansion code.

	* optabs.c (prepare_cmp_insn): Expand comparison of the result
	of memcmp through generic comparison expansion code.

From-SVN: r191641
parent 840171d2
Showing with 40 additions and 44 deletions
gcc/ChangeLog
2012-09-22 Uros Bizjak <ubizjak@gmail.com>
* optabs.c (prepare_cmp_insn): Expand comparison of the result
of memcmp through generic comparison expansion code.
2012-09-21 Jack Howarth <howarth@bromo.med.uc.edu> 2012-09-21 Jack Howarth <howarth@bromo.med.uc.edu>
PR bootstrap/54642 PR bootstrap/54642
...@@ -23,7 +28,7 @@ ...@@ -23,7 +28,7 @@
2012-09-21 Matthias Klose <doko@ubuntu.com> 2012-09-21 Matthias Klose <doko@ubuntu.com>
* config/arm/arm.c (arm_mangle_type): Don't warn anymore that * config/arm/arm.c (arm_mangle_type): Don't warn anymore that
4.4 has changed the `va_list' mangling. 4.4 has changed the `va_list' mangling.
2012-09-21 Eric Botcazou <ebotcazou@adacore.com> 2012-09-21 Eric Botcazou <ebotcazou@adacore.com>
...@@ -64,8 +69,7 @@ ...@@ -64,8 +69,7 @@
2012-09-20 Martin Jambor <mjambor@suse.cz> 2012-09-20 Martin Jambor <mjambor@suse.cz>
* function.c (push_cfun): Check old current_function_decl matches * function.c (push_cfun): Check old current_function_decl matches
old cfun, set new current_function_decl to the decl of the new old cfun, set new current_function_decl to the decl of the new cfun.
cfun.
(push_struct_function): Likewise. (push_struct_function): Likewise.
(pop_cfun): Likewise. (pop_cfun): Likewise.
(allocate_struct_function): Move call to (allocate_struct_function): Move call to
...@@ -128,7 +132,7 @@ ...@@ -128,7 +132,7 @@
2012-09-20 Chen Wei-Ren <chenwj@iis.sinica.edu.tw> 2012-09-20 Chen Wei-Ren <chenwj@iis.sinica.edu.tw>
doc/lto.texi: Correct typo. * doc/lto.texi: Correct typo.
2012-09-19 Dehao Chen <dehao@google.com> 2012-09-19 Dehao Chen <dehao@google.com>
...@@ -149,11 +153,11 @@ ...@@ -149,11 +153,11 @@
2012-09-19 Mark Kettenis <kettenis@openbsd.org> 2012-09-19 Mark Kettenis <kettenis@openbsd.org>
* config.gcc (hppa*-*-openbsd*): New target. * config.gcc (hppa*-*-openbsd*): New target.
* config/pa/pa-openbsd.h: New file. * config/pa/pa-openbsd.h: New file.
* config/pa/pa32-openbsd.h: New file. * config/pa/pa32-openbsd.h: New file.
* config/host-openbsd.c: Update copyright year. * config/host-openbsd.c: Update copyright year.
(TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa. (TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.
2012-09-19 Martin Jambor <mjambor@suse.cz> 2012-09-19 Martin Jambor <mjambor@suse.cz>
...@@ -316,8 +320,7 @@ ...@@ -316,8 +320,7 @@
(haifa_change_pattern): Call it. (haifa_change_pattern): Call it.
(dep_t heap vecs): Declare. (dep_t heap vecs): Declare.
(INSN_COST): Define earlier. (INSN_COST): Define earlier.
(next_cycle_replace_deps, next_cycle_apply): New static (next_cycle_replace_deps, next_cycle_apply): New static variables.
variables.
(apply_replacement): New static function. (apply_replacement): New static function.
(recompute_todo_spec): New argument FOR_BACKTRACK. All callers (recompute_todo_spec): New argument FOR_BACKTRACK. All callers
changed. Handle DEP_REPLACE deps. changed. Handle DEP_REPLACE deps.
...@@ -366,16 +369,14 @@ ...@@ -366,16 +369,14 @@
* Makefile.in (sched-deps.o): Update dependencies. * Makefile.in (sched-deps.o): Update dependencies.
* config/c6x/c6x.c (in_hwloop): New static variable. * config/c6x/c6x.c (in_hwloop): New static variable.
(c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES. (c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
(hwloop_optimize): Set and clear it around preliminary scheduling (hwloop_optimize): Set and clear it around preliminary scheduling pass.
pass.
2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> 2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
* config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase * config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
and __builtin_ppc_mftb. and __builtin_ppc_mftb.
* config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New * config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New function
function to expand an expression that calls a built-in without to expand an expression that calls a built-in without arguments.
arguments.
(rs6000_expand_builtin): Add __builtin_ppc_get_timebase and (rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
__builtin_ppc_mftb. __builtin_ppc_mftb.
(rs6000_init_builtins): Likewise. (rs6000_init_builtins): Likewise.
...@@ -384,8 +385,8 @@ ...@@ -384,8 +385,8 @@
(rs6000_mftb_<mode>): New pattern. (rs6000_mftb_<mode>): New pattern.
* doc/extend.texi (PowerPC Built-in Functions): New section. * doc/extend.texi (PowerPC Built-in Functions): New section.
(PowerPC AltiVec/VSX Built-in Functions): (PowerPC AltiVec/VSX Built-in Functions): Move some built-ins
Move some built-ins unrelated to Altivec/VSX to the new section. unrelated to Altivec/VSX to the new section.
2012-09-19 David Edelsohn <dje.gcc@gmail.com> 2012-09-19 David Edelsohn <dje.gcc@gmail.com>
...@@ -428,14 +429,13 @@ ...@@ -428,14 +429,13 @@
2012-09-19 Richard Guenther <rguenther@suse.de> 2012-09-19 Richard Guenther <rguenther@suse.de>
* tree-ssa-forwprop.c (get_prop_source_stmt): Simplify. * tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.
2012-09-19 Jan Hubicka <jh@suse.cz> 2012-09-19 Jan Hubicka <jh@suse.cz>
* symtab.c (insert_to_assembler_name_hash): Do not insert * symtab.c (insert_to_assembler_name_hash): Do not insert
register vars. register vars.
(unlink_from_assembler_name_hash): NULL out pointers of unlinked (unlink_from_assembler_name_hash): NULL out pointers of unlinked var.
var.
(symtab_prevail_in_asm_name_hash): New. (symtab_prevail_in_asm_name_hash): New.
(symtab_initialize_asm_name_hash): Break out from ... (symtab_initialize_asm_name_hash): Break out from ...
(symtab_node_for_asm): ... here. (symtab_node_for_asm): ... here.
...@@ -466,7 +466,8 @@ ...@@ -466,7 +466,8 @@
(lto_symtab_merge_decls_1): Likewise; add debug dumps. (lto_symtab_merge_decls_1): Likewise; add debug dumps.
(lto_symtab_merge_decls): Likewise; do not merge at ltrans stage. (lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
(lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab. (lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
(lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans stage. (lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans
stage.
(lto_symtab_prevailing_decl): Rewrite to lookup into symtab. (lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
* lto-streaer.h (lto_symtab_free): Remove. * lto-streaer.h (lto_symtab_free): Remove.
* lto-cgraph.c (add_references): Cleanup. * lto-cgraph.c (add_references): Cleanup.
...@@ -526,8 +527,7 @@ ...@@ -526,8 +527,7 @@
2012-09-18 Segher Boessenkool <segher@kernel.crashing.org> 2012-09-18 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): * config/rs6000/rs6000.md (sminsi3, smaxsi3, uminsi3, umaxsi3): Delete.
Delete.
(abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower, (abssi2, abs<mode>2_isel, nabs<mode>2_isel, abssi2_nopower,
nabs_nopower): Delete. nabs_nopower): Delete.
(absdi2, absdi2_internal, nabsdi2): Delete. (absdi2, absdi2_internal, nabsdi2): Delete.
...@@ -549,7 +549,7 @@ ...@@ -549,7 +549,7 @@
* config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD * config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
AND/IOR/XOR cost calculation to MODE_INT class modes. AND/IOR/XOR cost calculation to MODE_INT class modes.
2012-09-18 Thomas Quinot <quinot@adacore.com> 2012-09-18 Thomas Quinot <quinot@adacore.com>
* doc/invoke.texi: Document -fada-spec-parent. * doc/invoke.texi: Document -fada-spec-parent.
...@@ -721,7 +721,7 @@ ...@@ -721,7 +721,7 @@
(avr_out_plus_symbol): New static function. (avr_out_plus_symbol): New static function.
(avr_out_plus): Rewrite. (avr_out_plus): Rewrite.
(adjust_insn_length): Handle: ADJUST_LEN_PLUS. Remove handling (adjust_insn_length): Handle: ADJUST_LEN_PLUS. Remove handling
of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS, of: ADJUST_LEN_OUT_PLUS, ADJUST_LEN_PLUS64, ADJUST_LEN_MINUS,
ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER. ADJUST_LEN_MINUS64, ADJUST_LEN_OUT_PLUS_NOCLOBBER.
(notice_update_cc): Handle: CC_PLUS. Remove handling of: CC_MINUS, (notice_update_cc): Handle: CC_PLUS. Remove handling of: CC_MINUS,
CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER CC_OUT_PLUS, CC_OUT_PLUS_NOCLOBBER
...@@ -837,8 +837,7 @@ ...@@ -837,8 +837,7 @@
(*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise. (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
Remove third alternative. Remove third alternative.
(*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise. Negate
operand 2 instead of operand 1, but put it as first argument operand 2 instead of operand 1, but put it as first argument of fma.
of fma.
* config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss, * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
_mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
of the first. of the first.
...@@ -853,11 +852,9 @@ ...@@ -853,11 +852,9 @@
2012-09-14 Richard Guenther <rguenther@suse.de> 2012-09-14 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (register_new_assert_for): Simplify for backward * tree-vrp.c (register_new_assert_for): Simplify for backward walk.
walk. (find_assert_locations_1): Walk the basic-block backwards, properly
(find_assert_locations_1): Walk the basic-block backwards, add/prune from live. Use live for asserts derived from stmts.
properly add/prune from live. Use live for asserts derived
from stmts.
2012-09-14 Marc Glisse <marc.glisse@inria.fr> 2012-09-14 Marc Glisse <marc.glisse@inria.fr>
...@@ -883,8 +880,7 @@ ...@@ -883,8 +880,7 @@
(BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support. (BYTES_BIG_ENDIAN, WORDS_BIG_ENDIAN): Add bi-endian support.
(TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and (TARGET_CPU_CPP_BUILTINS): Add __MOXIE_LITTLE_ENDIAN__ and
__MOXIE_BIG_ENDIAN__. __MOXIE_BIG_ENDIAN__.
* config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): * config/moxie/t-moxie (MULTILIB_DIRNAMES, MULTILIB_OPTIONS): Define.
Define.
* config/moxie/moxie.opt: New file. * config/moxie/moxie.opt: New file.
* doc/invoke.texi (Moxie Options): Add section documenting -mel * doc/invoke.texi (Moxie Options): Add section documenting -mel
and -meb. and -meb.
...@@ -893,8 +889,7 @@ ...@@ -893,8 +889,7 @@
Manuel López-Ibáñez <manu@gcc.gnu.org> Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/53210 PR c++/53210
* doc/invoke.texi ([Winit-self]): Document as enabled by -Wall * doc/invoke.texi ([Winit-self]): Document as enabled by -Wall in C++.
in C++.
2012-09-13 Eric Botcazou <ebotcazou@adacore.com> 2012-09-13 Eric Botcazou <ebotcazou@adacore.com>
...@@ -1683,7 +1678,7 @@ ...@@ -1683,7 +1678,7 @@
* config/xtensa/xtensa (TARGET_ADDRESS_COST): Use * config/xtensa/xtensa (TARGET_ADDRESS_COST): Use
hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0. hook_int_rtx_mode_as_bool_0 instead of hook_int_rtx_bool_0.
2012-09-05 Diego Novillo <dnovillo@google.com> 2012-09-05 Diego Novillo <dnovillo@google.com>
PR bootstrap/54484 PR bootstrap/54484
* vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument. * vec.h (vec_t::lower_bound): Fix spelling of LESSTHAN argument.
...@@ -1824,7 +1819,7 @@ ...@@ -1824,7 +1819,7 @@
(init_pre): Likewise. (init_pre): Likewise.
(fini_pre): Likewise. (fini_pre): Likewise.
2012-09-04 Diego Novillo <dnovillo@google.com> 2012-09-04 Diego Novillo <dnovillo@google.com>
PR bootstrap/54479 PR bootstrap/54479
* vec.h (vec_t::copy): Add cast in call to reserve_exact. * vec.h (vec_t::copy): Add cast in call to reserve_exact.
...@@ -1837,7 +1832,7 @@ ...@@ -1837,7 +1832,7 @@
AVAIL_OUT for FRE. AVAIL_OUT for FRE.
(init_pre): Do not allocate not needed bitmap sets for FRE. (init_pre): Do not allocate not needed bitmap sets for FRE.
2012-09-04 Diego Novillo <dnovillo@google.com> 2012-09-04 Diego Novillo <dnovillo@google.com>
Rewrite VEC_* functions as member functions of vec_t. Rewrite VEC_* functions as member functions of vec_t.
......
gcc/optabs.c
...@@ -4108,10 +4108,11 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size, ...@@ -4108,10 +4108,11 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size,
XEXP (x, 0), Pmode, XEXP (x, 0), Pmode,
XEXP (y, 0), Pmode, XEXP (y, 0), Pmode,
size, cmp_mode); size, cmp_mode);
x = result;
*ptest = gen_rtx_fmt_ee (comparison, VOIDmode, result, const0_rtx); y = const0_rtx;
*pmode = result_mode; mode = result_mode;
return; methods = OPTAB_LIB_WIDEN;
unsignedp = false;
} }
/* Don't allow operands to the compare to trap, as that can put the /* Don't allow operands to the compare to trap, as that can put the
......
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