* config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.

	* config/i386/i386.c (x86_maybe_negate_const_int): New.
	(x86_output_mi_thunk): Use x86_maybe_negate_const_int.
	* config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
	*addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
	*addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
	*addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
	Use x86_maybe_negate_const_int to output insn mnemonic.
	(*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
	check from instruction predicate.  Update comments.
	* config/i386/sync.md (sync_add<mode>): Use
	x86_maybe_negate_const_int to output insn mnemonic.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158013 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 52f8ab3..a2ed1b6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,12 +1,28 @@
-2010-04-06  Jan Hubicka  <jh@suse.czpli
+2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
+       * config/i386/i386.c (x86_maybe_negate_const_int): New.
+       (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
+       * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
+       *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
+       *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
+       *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
+       Use x86_maybe_negate_const_int to output insn mnemonic.
+       (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
+       check from instruction predicate.  Update comments.
+       * config/i386/sync.md (sync_add<mode>): Use
+       x86_maybe_negate_const_int to output insn mnemonic.
 
-       PR tree-optimization/42906
 
-       * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add IGNORE_SELF
-       argument; set visited_control_parents for fully processed BBs.
+2010-04-06  Jan Hubicka  <jh@suse.cz>
+
+       PR tree-optimization/42906
+       * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
+       IGNORE_SELF argument.  Set visited_control_parents for fully
+       processed BBs.
        (find_obviously_necessary_stmts): Update call of
        mark_control_dependent_edges_necessary.
-       (propagate_necessity): Likewise; handle PHI edges more curefully.
+       (propagate_necessity): Likewise.  Handle PHI edges more curefully.
 
 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
 
@@ -52,7 +68,7 @@
 
 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
 
-       * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c, 
+       * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
        basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
        collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
        config/alpha/predicates.md, config/arm/arm.md,
@@ -123,7 +139,7 @@
 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
 
        PR target/43469
-       * arm.c (legitimize_tls_address): Adjust call to 
+       * arm.c (legitimize_tls_address): Adjust call to
        gen_tls_load_dot_plus_four.
        (arm_note_pic_base): New function.
        (arm_cannot_copy_insn_p): Use it.

diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md
index 22f3648..07fb32c 100644 (file)
--- a/gcc/config/i386/sync.md
+++ b/gcc/config/i386/sync.md
@@ -203,9 +203,9 @@
     }
 
   if (x86_maybe_negate_const_int (&operands[1], <MODE>mode))
-    return "lock{%;} sub{<imodesuffix>}\t{%1, %0|%0, %1}";
+    return "lock{%;| }sub{<imodesuffix>}\t{%1, %0|%0, %1}";
 
-  return "lock{%;} add{<imodesuffix>}\t{%1, %0|%0, %1}";
+  return "lock{%;| }add{<imodesuffix>}\t{%1, %0|%0, %1}";
 })
 
 (define_insn "sync_sub<mode>"