alpha.c (alpha_emit_conditional_move): Swap all GE, GT, GEU and GTU compares, modulo...

	* config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
	GE, GT, GEU and GTU compares, modulo DImode compares with zero.

From-SVN: r199701

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1eba4643cd1ecab14d57eeeb5923f95177ca89b4..6de45ba1161a9305a7cc4cbb56275898e6c89216 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-05  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
+       GE, GT, GEU and GTU compares, modulo DImode compares with zero.
+
 2013-06-05  Jan Hubicka  <jh@suse.cz>
 
        * varasm.c (mark_decl_referenced): Revert the removal until targets
@@ -98,8 +103,7 @@
 
        * config/aarch64/aarch64.md (*mov<mode>_aarch64): Call
        into function to generate MOVI instruction.
-       * config/aarch64/aarch64.c (aarch64_simd_container_mode):
-       New function.
+       * config/aarch64/aarch64.c (aarch64_simd_container_mode): New function.
        (aarch64_preferred_simd_mode): Turn into wrapper.
        (aarch64_output_scalar_simd_mov_immediate): New function.
        * config/aarch64/aarch64-protos.h: Add prototype for above.
@@ -156,8 +160,7 @@
 2013-06-04  Catherine Moore  <clm@codesourcery.com>
 
        * config/mips/mips.opt (meva): New.
-       * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS):
-       Define __mips_eva.
+       * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_eva.
        (ASM_SPEC): Handle -meva.
        * doc/invoke.texi (meva):  Document.
 
@@ -276,11 +279,9 @@
        (cpp_implicit_aliases_done): ... this one.
        (cgraph_create_function_alias): Update.
        (cgraph_same_body_alias): Update.
-       (dump_cgraph_node): Remove alias dumping; simplify
-       thunk dumping.
+       (dump_cgraph_node): Remove alias dumping; simplify thunk dumping.
        (verify_edge_corresponds_to_fndecl): Simplify.
-       * cgraph.h (symtab_node_base): Add cpp_implicit_alias,
-       alias_target.
+       * cgraph.h (symtab_node_base): Add cpp_implicit_alias, alias_target.
        (cgraph_node): Remove same_body_alias.
        (varpool_node): Remove alias_of and extra_name_alias.
        (same_body_aliases_done): Rename to ..
@@ -414,8 +415,7 @@
 2013-05-31  Tobias Burnus  <burnus@net-b.de>
 
        PR middle-end/57073
-       * tree-ssa-math-opts.c (execute_cse_sincos): Move check
-       further up.
+       * tree-ssa-math-opts.c (execute_cse_sincos): Move check further up.
 
 2013-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
@@ -738,7 +738,8 @@
        (symtab_alias_target): New function.
        (cgraph_alias_aliased_node, varpool_alias_aliased_node): Rename to ...
        (cgraph_alias_target, varpool_alias_target): .. this one; simplify.
-       (cgraph_function_or_thunk_node): Simplify using symtab_alias_ultimate_target.
+       (cgraph_function_or_thunk_node): Simplify using
+       symtab_alias_ultimate_target.
        (varpool_variable_node): Likewise.
        * cgraph.c (cgraph_create_function_alias): Update.
        (cgraph_add_thunk): Update.
@@ -756,7 +757,8 @@
        propagate_constants_accross_call, devirtualization_time_bonus,
        ipcp_propagate_stage): Update.
        * tree-emutls.c (create_emultls_var, ipa_lower_emutls): Update.
-       * ipa-inline-transform.c (clone_inlined_nodes, preserve_function_body_p): Update.
+       * ipa-inline-transform.c (clone_inlined_nodes,
+       preserve_function_body_p): Update.
        * ipa-reference.c (propagate): Update.
        (write_node_summary_p): Update.
        * toplev.c (wrapup_global_declaration_2): Update.
@@ -797,8 +799,8 @@
        * tree-eh.c (tree_could_trap_p): Update.
        * ipa-split.c (consider_split, execute_split_functions): Update.
        * ipa.c (cgraph_non_local_node_p_1, cgraph_local_node_p,
-        has_addr_references_p): Update;
-       move ahead in file for better readability.
+       has_addr_references_p): Update; move ahead in file for better
+       readability.
        (process_references): Simplify.
        (symtab_remove_unreachable_nodes): Update; cleanup way function/var
        bodies are removed.
@@ -813,8 +815,8 @@
        inline_write_summary): Update.
        * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
        * ipa-prop.c (ipa_compute_jump_functions): Update.
-       (ipa_print_node_params, ipa_prop_read_section, ipa_update_after_lto_read,
-       read_replacements_section): Update.
+       (ipa_print_node_params, ipa_prop_read_section,
+       ipa_update_after_lto_read, read_replacements_section): Update.
        * varasm.c (mark_decl_referenced): Update.
        (assemble_alias, dump_tm_clone_pairs): Update.
        * tree-inline.c (copy_bb): Update.
@@ -826,7 +828,8 @@
        * tree-ssa-structalias.c (get_constraint_for_ssa_var,
        create_variable_info_for, associate_varinfo_to_alias, ipa_pta_execute):
        Update.
-       * passes.c (ipa_write_summaries, ipa_write_optimization_summaries): Update.
+       * passes.c (ipa_write_summaries, ipa_write_optimization_summaries):
+       Update.
        * i386.c (ix86_get_function_versions_dispatcher,
        ix86_generate_version_dispatcher_body): Update.
        (fold_builtin_cpu): Use varpool_add_new_variable.
@@ -835,7 +838,8 @@
        (dump_varpool_node, varpool_node_for_asm,
        cgraph_variable_initializer_availability, varpool_analyze_node,
        varpool_assemble_decl, varpool_remove_unreferenced_decls,
-       varpool_finalize_named_section_flags, varpool_create_variable_alias): Update
+       varpool_finalize_named_section_flags, varpool_create_variable_alias):
+       Update.
 
 2013-05-29  Jan Hubicka  <jh@suse.cz>
 
@@ -851,8 +855,7 @@
 
        * rx/rx.h (TARGET_CPU_CPP_BUILTINS): Add macros for RX100, RX200,
        and RX600.
-       * rx/rx.opt: Add macro for rx100 with string rx100 and value
-       RX100.
+       * rx/rx.opt: Add macro for rx100 with string rx100 and value RX100.
        * rx/rx-opts.h (rx_cpu_types): Add new cpu type rx100.
        * rx/t-rx: Add rx100 under multi library matches option for nofpu
        option.
@@ -867,8 +870,7 @@
 
        * config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Add micromips
        and mips16 directories.
-       * config/mips/t-mti-linux (MULTILIB_OPTIONS): Add micromips and
-       mips16.
+       * config/mips/t-mti-linux (MULTILIB_OPTIONS): Add micromips and mips16.
        (MULTILIB_DIRNAMES): Ditto.
        (MULTILIB_EXCEPTIONS): Add new exceptions.
        * config/mips/t-mti-elf (MULTILIB_OPTIONS): Add micromips.

diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 096ef3b1f56c5348fe9be18275f13605731a7148..267067013503e6a5b08e61b55ad529dd8e30d96c 100644 (file)
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -2700,12 +2700,12 @@ alpha_emit_conditional_move (rtx cmp, enum machine_mode mode)
       break;
 
     case GE:  case GT:  case GEU:  case GTU:
-      /* These must be swapped.  */
-      if (op1 != CONST0_RTX (cmp_mode))
-       {
-         code = swap_condition (code);
-         tem = op0, op0 = op1, op1 = tem;
-       }
+      /* These normally need swapping, but for integer zero we have
+        special patterns that recognize swapped operands.  */
+      if (cmp_mode == DImode && op1 == const0_rtx)
+       break;
+      code = swap_condition (code);
+      tem = op0, op0 = op1, op1 = tem;
       break;
 
     default: