* config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158293 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 99fecd2..bf8aa55 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
+
 2010-04-13  Jan Hubicka  <jh@suse.cz>
 
        * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
@@ -53,11 +57,9 @@
        * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
        * c-pch.c: Include timevar.h.
        (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
-       (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE
-       timers.
+       (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
        * ggc-common.c: Include timevar.h.
-       (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT
-       timers.
+       (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
        * timevar.def (TV_PCH_SAVE): Define.
        (TV_PCH_CPP_SAVE): Define.
        (TV_PCH_PTR_REALLOC): Define.
@@ -141,11 +143,11 @@
        * except.c (lang_eh_type_covers): Likewise.
 
 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
-            Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
-       
+           Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
        * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
        * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
-       UNITS_PER_LONG where it is ABI relevant.        
+       UNITS_PER_LONG where it is ABI relevant.
        (s390_return_addr_rtx): Likewise.
        (s390_back_chain_rtx): Likewise.
        (s390_frame_area): Likewise.
@@ -176,7 +178,7 @@
        (DWARF_CIE_DATA_ALIGNMENT): New macro.
        (s390_expand_setmem): Remove unused variable src_addr.
        * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
-       deal with 64 bit registers.     
+       deal with 64 bit registers.
        * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
        Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
        (UNITS_PER_LONG): New macro.

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index b879996..35fc0d4 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -9986,6 +9986,50 @@
        (const_string "*")))
    (set_attr "mode" "QI,SI,SI")])
 
+(define_insn "*ashlqi3_1_slp"
+  [(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" "+qm"))
+       (ashift:QI (match_dup 0)
+                  (match_operand:QI 1 "nonmemory_operand" "cI")))
+   (clobber (reg:CC FLAGS_REG))]
+  "(optimize_function_for_size_p (cfun)
+    || !TARGET_PARTIAL_FLAG_REG_STALL
+    || (operands[1] == const1_rtx
+       && (TARGET_SHIFT1
+           || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))"
+{
+  switch (get_attr_type (insn))
+    {
+    case TYPE_ALU:
+      gcc_assert (operands[1] == const1_rtx);
+      return "add{b}\t%0, %0";
+
+    default:
+      if (operands[1] == const1_rtx
+         && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+       return "sal{b}\t%0";
+      else
+       return "sal{b}\t{%1, %0|%0, %1}";
+    }
+}
+  [(set (attr "type")
+     (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
+                         (const_int 0))
+                     (match_operand 0 "register_operand" ""))
+                (match_operand 1 "const1_operand" ""))
+             (const_string "alu")
+          ]
+          (const_string "ishift1")))
+   (set (attr "length_immediate")
+     (if_then_else
+       (ior (eq_attr "type" "alu")
+           (and (eq_attr "type" "ishift1")
+                (and (match_operand 1 "const1_operand" "")
+                     (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
+                         (const_int 0)))))
+       (const_string "0")
+       (const_string "*")))
+   (set_attr "mode" "QI")])
+
 ;; Convert lea to the lea pattern to avoid flags dependency.
 (define_split
   [(set (match_operand:DI 0 "register_operand" "")