i386: Emulate MMX umulv1siv1di3 with SSE2
authorH.J. Lu <hongjiu.lu@intel.com>
Wed, 15 May 2019 15:21:39 +0000 (15:21 +0000)
committerH.J. Lu <hjl@gcc.gnu.org>
Wed, 15 May 2019 15:21:39 +0000 (08:21 -0700)
Emulate MMX umulv1siv1di3 with SSE2.  Only SSE register source operand
is allowed.

PR target/89021
* config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
support.
(*sse2_umulv1siv1di3): Add SSE2 emulation.

From-SVN: r271239

gcc/ChangeLog
gcc/config/i386/mmx.md

index 01cdde4..2170b2f 100644 (file)
@@ -1,6 +1,13 @@
 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR target/89021
+       * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
+       support.
+       (*sse2_umulv1siv1di3): Add SSE2 emulation.
+
+2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/89021
        * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 
 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
index 6cc9547..6504ebb 100644 (file)
         (mult:V1DI
          (zero_extend:V1DI
            (vec_select:V1SI
-             (match_operand:V2SI 1 "nonimmediate_operand")
+             (match_operand:V2SI 1 "register_mmxmem_operand")
              (parallel [(const_int 0)])))
          (zero_extend:V1DI
            (vec_select:V1SI
-             (match_operand:V2SI 2 "nonimmediate_operand")
+             (match_operand:V2SI 2 "register_mmxmem_operand")
              (parallel [(const_int 0)])))))]
-  "TARGET_SSE2"
+  "(TARGET_MMX || TARGET_MMX_WITH_SSE) && TARGET_SSE2"
   "ix86_fixup_binary_operands_no_copy (MULT, V2SImode, operands);")
 
 (define_insn "*sse2_umulv1siv1di3"
-  [(set (match_operand:V1DI 0 "register_operand" "=y")
+  [(set (match_operand:V1DI 0 "register_operand" "=y,x,Yv")
         (mult:V1DI
          (zero_extend:V1DI
            (vec_select:V1SI
-             (match_operand:V2SI 1 "nonimmediate_operand" "%0")
+             (match_operand:V2SI 1 "register_mmxmem_operand" "%0,0,Yv")
              (parallel [(const_int 0)])))
          (zero_extend:V1DI
            (vec_select:V1SI
-             (match_operand:V2SI 2 "nonimmediate_operand" "ym")
+             (match_operand:V2SI 2 "register_mmxmem_operand" "ym,x,Yv")
              (parallel [(const_int 0)])))))]
-  "TARGET_SSE2 && ix86_binary_operator_ok (MULT, V2SImode, operands)"
-  "pmuludq\t{%2, %0|%0, %2}"
-  [(set_attr "type" "mmxmul")
-   (set_attr "mode" "DI")])
+  "(TARGET_MMX || TARGET_MMX_WITH_SSE)
+   && TARGET_SSE2
+   && ix86_binary_operator_ok (MULT, V2SImode, operands)"
+  "@
+   pmuludq\t{%2, %0|%0, %2}
+   pmuludq\t{%2, %0|%0, %2}
+   vpmuludq\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "mmx_isa" "native,x64_noavx,x64_avx")
+   (set_attr "type" "mmxmul,ssemul,ssemul")
+   (set_attr "mode" "DI,TI,TI")])
 
 (define_expand "mmx_<code>v4hi3"
   [(set (match_operand:V4HI 0 "register_operand")