re PR target/70086 (ICE: in extract_constrain_insn_cached, at recog.c:2202 (insn...

	PR target/70086
	* config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
	instead of gen_sse2_loadlpd.
	* config/i386/sse.md (*vec_concatv2df): Rename to...
	(vec_concatv2df): ... this.

	* gcc.target/i386/pr70086-1.c: New test.
	* gcc.target/i386/pr70086-2.c: New test.
	* gcc.target/i386/pr70086-3.c: New test.

From-SVN: r234091

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1f91bb11053128d81ffd50d61dd0a8f4bfb06e10..b7140a605453cf31c8a88d4b4077b996affe64c3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,10 @@
-2016-03-08  Jakub Jelinek  <jakub@redhat.com>
+2016-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/70086
+       * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
+       instead of gen_sse2_loadlpd.
+       * config/i386/sse.md (*vec_concatv2df): Rename to...
+       (vec_concatv2df): ... this.
 
        PR tree-optimization/70127
        * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index cb8bcecf630f648c2f78e41b9a7ed3d20b68ea46..554e6239fda44c2b3a59b29f91915c6de3d998ce 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -4393,8 +4393,8 @@
       emit_insn (gen_vec_dupv2df (operands[4], operands[1]));
     }
   else
-    emit_insn (gen_sse2_loadlpd (operands[4],
-                                CONST0_RTX (V2DFmode), operands[1]));
+    emit_insn (gen_vec_concatv2df (operands[4], operands[1],
+                                  CONST0_RTX (DFmode)));
 })
 
 ;; It's more profitable to split and then extend in the same register.

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 00e385aee2a37bdf3f79bdb768e8a98659c730a2..3c521b367f95699e4bca6429501cb48625114938 100644 (file)
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -8951,7 +8951,7 @@
    (set_attr "prefix" "orig,maybe_vex,evex")
    (set_attr "mode" "V2DF,DF,DF")])
 
-(define_insn "*vec_concatv2df"
+(define_insn "vec_concatv2df"
   [(set (match_operand:V2DF 0 "register_operand"     "=x,x,v,x,v,x,x,v,x,x")
        (vec_concat:V2DF
          (match_operand:DF 1 "nonimmediate_operand" " 0,x,v,m,m,0,x,m,0,0")

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e611b29be0f3446911cc6c70705b38a807aab2e1..e2db34d170e99ab93c45152325a0c65b92a9efbf 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,4 +1,9 @@
-2016-03-08  Jakub Jelinek  <jakub@redhat.com>
+2016-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/70086
+       * gcc.target/i386/pr70086-1.c: New test.
+       * gcc.target/i386/pr70086-2.c: New test.
+       * gcc.target/i386/pr70086-3.c: New test.
 
        PR tree-optimization/70127
        * gcc.c-torture/execute/pr70127.c: New test.

diff --git a/gcc/testsuite/gcc.target/i386/pr70086-1.c b/gcc/testsuite/gcc.target/i386/pr70086-1.c
new file mode 100644 (file)
index 0000000..7289798
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr70086-1.c
@@ -0,0 +1,11 @@
+/* PR target/70086 */
+/* { dg-do compile } */
+/* { dg-options "-mtune=barcelona -mavx512vl -ffloat-store" } */
+
+float
+foo (float a, float b, double c, float d, double e, float f)
+{
+  e -= d;
+  d *= e;
+  return e + d;
+}

diff --git a/gcc/testsuite/gcc.target/i386/pr70086-2.c b/gcc/testsuite/gcc.target/i386/pr70086-2.c
new file mode 100644 (file)
index 0000000..b613d54
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr70086-2.c
@@ -0,0 +1,21 @@
+/* PR target/70086 */
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mtune=barcelona -mavx512vl" } */
+
+float
+foo (double *p)
+{
+  register float xmm16 __asm ("xmm16");
+  xmm16 = *p;
+  asm volatile ("" : "+v" (xmm16));
+  return xmm16;
+}
+
+float
+bar (double x)
+{
+  register float xmm16 __asm ("xmm16");
+  xmm16 = x;
+  asm volatile ("" : "+v" (xmm16));
+  return xmm16;
+}

diff --git a/gcc/testsuite/gcc.target/i386/pr70086-3.c b/gcc/testsuite/gcc.target/i386/pr70086-3.c
new file mode 100644 (file)
index 0000000..ae523a9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr70086-3.c
@@ -0,0 +1,21 @@
+/* PR target/70086 */
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mtune=barcelona -mavx512f -mno-avx512vl" } */
+
+float
+foo (double *p)
+{
+  register float xmm16 __asm ("xmm16");
+  xmm16 = *p;
+  asm volatile ("" : "+v" (xmm16));
+  return xmm16;
+}
+
+float
+bar (double x)
+{
+  register float xmm16 __asm ("xmm16");
+  xmm16 = x;
+  asm volatile ("" : "+v" (xmm16));
+  return xmm16;
+}