From: Uros Bizjak <ubizjak@gmail.com>
Date: Thu, 27 Oct 2011 21:55:22 +0000 (+0200)
Subject: re PR target/50875 (O3 and -mavx lead to internal compiler error: in find_reloads)
X-Git-Tag: releases/gcc-4.6.3~382
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4d201c3465dedc0e43ed0d58928d5fae80ad0ae;p=thirdparty%2Fgcc.git

re PR target/50875 (O3 and -mavx lead to internal compiler error: in find_reloads)

	PR target/50875
	* config/i386/sse.md (*avx_unpcklpd256): Remove extra insn
	constraints.  Change alternative 1 to "x,m,1".

testsuitee/ChangeLog:

	PR target/50875
	* gfortran.dg/pr50875.f90: New test.


Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>

From-SVN: r180582
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 492bb204d304..8e6377b392f5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-27  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/50875
+	* config/i386/sse.md (*avx_unpcklpd256): Remove extra insn
+	constraints.  Change alternative 1 to "x,m,1".
+
 2011-10-26  Jakub Jelinek  <jakub@redhat.com>
 
 	* BASE-VER: Set to 4.6.3.
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 753641874659..b5b900a02a55 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -4521,15 +4521,14 @@
   [(set (match_operand:V4DF 0 "register_operand"         "=x,x")
 	(vec_select:V4DF
 	  (vec_concat:V8DF
-	    (match_operand:V4DF 1 "nonimmediate_operand" "xm,x")
-	    (match_operand:V4DF 2 "nonimmediate_operand" " 1,xm"))
+	    (match_operand:V4DF 1 "nonimmediate_operand" " x,m")
+	    (match_operand:V4DF 2 "nonimmediate_operand" "xm,1"))
 	  (parallel [(const_int 0) (const_int 4)
 		     (const_int 2) (const_int 6)])))]
-  "TARGET_AVX
-   && (!MEM_P (operands[1]) || rtx_equal_p (operands[1], operands[2]))"
+  "TARGET_AVX"
   "@
-   vmovddup\t{%1, %0|%0, %1}
-   vunpcklpd\t{%2, %1, %0|%0, %1, %2}"
+   vunpcklpd\t{%2, %1, %0|%0, %1, %2}
+   vmovddup\t{%1, %0|%0, %1}"
   [(set_attr "type" "sselog")
    (set_attr "prefix" "vex")
    (set_attr "mode" "V4DF")])
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5b1ad2cc1b40..797c7c054fa3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-27  Uros Bizjak  <ubizjak@gmail.com>
+	    Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR target/50875
+	* gfortran.dg/pr50875.f90: New test.
+
 2011-10-26  Release Manager
 
 	* GCC 4.6.2 released.
diff --git a/gcc/testsuite/gfortran.dg/pr50875.f90 b/gcc/testsuite/gfortran.dg/pr50875.f90
new file mode 100644
index 000000000000..6b4476c14e4b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr50875.f90
@@ -0,0 +1,39 @@
+! { dg-do compile { target { i?86-*-* x86_64-*-* } } }
+! { dg-options "-O3 -mavx" }
+!
+! PR fortran/50875.f90
+
+module test
+
+  implicit none
+
+  integer, parameter :: dp=kind(1.d0)
+
+  integer :: P = 2
+
+  real(kind=dp), allocatable :: real_array_A(:),real_array_B(:,:)
+  complex(kind=dp), allocatable :: cmplx_array_A(:) 
+
+contains
+
+  subroutine routine_A
+
+    integer :: i
+
+    allocate(cmplx_array_A(P),real_array_B(P,P),real_array_A(P))
+
+    real_array_A = 1
+    real_array_B = 1
+
+    do i = 1, p
+       cmplx_array_A = cmplx(real_array_B(:,i),0.0_dp,dp)
+       cmplx_array_A = cmplx_array_A * exp(cmplx(0.0_dp,real_array_A+1))
+    end do
+
+    deallocate(cmplx_array_A,real_array_B,real_array_A)
+
+  end subroutine routine_A
+
+end module test
+
+! { dg-final { cleanup-modules "test" } }