* config/i386/sse.md (vec_avx2): New mode_attr.

	(mulv16qi3): Macroize to cover also mulv32qi3 for
	TARGET_AVX2 into ...
	(mul<mode>3): ... this.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179871 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e774b58..753677a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2011-10-12  Jakub Jelinek  <jakub@redhat.com>
 
+       * config/i386/sse.md (vec_avx2): New mode_attr.
+       (mulv16qi3): Macroize to cover also mulv32qi3 for
+       TARGET_AVX2 into ...
+       (mul<mode>3): ... this.
+
        * config/i386/i386.md (UNSPEC_VPERMDI): Remove.
        * config/i386/i386.c (ix86_expand_vec_perm): Handle
        V16QImode and V32QImode for TARGET_AVX2.

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 1233151..e649b30 100644 (file)
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -163,6 +163,12 @@
    (V4SI "avx2") (V2DI "avx2")
    (V8SI "avx2") (V4DI "avx2")])
 
+(define_mode_attr vec_avx2
+  [(V16QI "vec") (V32QI "avx2")
+   (V8HI "vec") (V16HI "avx2")
+   (V4SI "vec") (V8SI "avx2")
+   (V2DI "vec") (V4DI "avx2")])
+
 ;; Mapping of logic-shift operators
 (define_code_iterator lshift [lshiftrt ashift])
 
@@ -4838,10 +4844,10 @@
    (set_attr "prefix" "orig,vex")
    (set_attr "mode" "TI")])
 
-(define_insn_and_split "mulv16qi3"
-  [(set (match_operand:V16QI 0 "register_operand" "")
-       (mult:V16QI (match_operand:V16QI 1 "register_operand" "")
-                   (match_operand:V16QI 2 "register_operand" "")))]
+(define_insn_and_split "mul<mode>3"
+  [(set (match_operand:VI1_AVX2 0 "register_operand" "")
+       (mult:VI1_AVX2 (match_operand:VI1_AVX2 1 "register_operand" "")
+                      (match_operand:VI1_AVX2 2 "register_operand" "")))]
   "TARGET_SSE2
    && can_create_pseudo_p ()"
   "#"
@@ -4850,34 +4856,41 @@
 {
   rtx t[6];
   int i;
+  enum machine_mode mulmode = <sseunpackmode>mode;
 
   for (i = 0; i < 6; ++i)
-    t[i] = gen_reg_rtx (V16QImode);
+    t[i] = gen_reg_rtx (<MODE>mode);
 
   /* Unpack data such that we've got a source byte in each low byte of
      each word.  We don't care what goes into the high byte of each word.
      Rather than trying to get zero in there, most convenient is to let
      it be a copy of the low byte.  */
-  emit_insn (gen_vec_interleave_highv16qi (t[0], operands[1], operands[1]));
-  emit_insn (gen_vec_interleave_highv16qi (t[1], operands[2], operands[2]));
-  emit_insn (gen_vec_interleave_lowv16qi (t[2], operands[1], operands[1]));
-  emit_insn (gen_vec_interleave_lowv16qi (t[3], operands[2], operands[2]));
+  emit_insn (gen_<vec_avx2>_interleave_high<mode> (t[0], operands[1],
+                                                  operands[1]));
+  emit_insn (gen_<vec_avx2>_interleave_high<mode> (t[1], operands[2],
+                                                  operands[2]));
+  emit_insn (gen_<vec_avx2>_interleave_low<mode> (t[2], operands[1],
+                                                 operands[1]));
+  emit_insn (gen_<vec_avx2>_interleave_low<mode> (t[3], operands[2],
+                                                 operands[2]));
 
   /* Multiply words.  The end-of-line annotations here give a picture of what
      the output of that instruction looks like.  Dot means don't care; the
      letters are the bytes of the result with A being the most significant.  */
-  emit_insn (gen_mulv8hi3 (gen_lowpart (V8HImode, t[4]), /* .A.B.C.D.E.F.G.H */
-                          gen_lowpart (V8HImode, t[0]),
-                          gen_lowpart (V8HImode, t[1])));
-  emit_insn (gen_mulv8hi3 (gen_lowpart (V8HImode, t[5]), /* .I.J.K.L.M.N.O.P */
-                          gen_lowpart (V8HImode, t[2]),
-                          gen_lowpart (V8HImode, t[3])));
+  emit_insn (gen_rtx_SET (VOIDmode, gen_lowpart (mulmode, t[4]),
+                         gen_rtx_MULT (mulmode,        /* .A.B.C.D.E.F.G.H */
+                                       gen_lowpart (mulmode, t[0]),
+                                       gen_lowpart (mulmode, t[1]))));
+  emit_insn (gen_rtx_SET (VOIDmode, gen_lowpart (mulmode, t[5]),
+                         gen_rtx_MULT (mulmode,        /* .I.J.K.L.M.N.O.P */
+                                       gen_lowpart (mulmode, t[2]),
+                                       gen_lowpart (mulmode, t[3]))));
 
   /* Extract the even bytes and merge them back together.  */
   ix86_expand_vec_extract_even_odd (operands[0], t[5], t[4], 0);
 
   set_unique_reg_note (get_last_insn (), REG_EQUAL,
-                      gen_rtx_MULT (V16QImode, operands[1], operands[2]));
+                      gen_rtx_MULT (<MODE>mode, operands[1], operands[2]));
   DONE;
 })