re PR target/91919 (arm-linux-eabi ICE with building kernel)

	PR target/91919
	* config/arm/arm.md (<US>mlal): Remove SE wrappers around operands
	of SImode MULT.

	* gcc.c-torture/compile/pr91919.c: New.test

From-SVN: r276183

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0258bfc..8e4e143 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-09-27  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/91919
+       * config/arm/arm.md (<US>mlal): Remove SE wrappers around operands
+       of SImode MULT.
+
 2019-09-27  Richard Biener  <rguenther@suse.de>
 
        * tree-vectorizer.h (_stmt_vec_info::reduc_fn): New.

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index d3ee59a..f861c72 100644 (file)
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -1812,8 +1812,8 @@
   [(set (match_operand:SI 0 "s_register_operand" "=r,&r")
        (plus:SI
         (mult:SI
-         (SE:DI (match_operand:SI 4 "s_register_operand" "%r,r"))
-         (SE:DI (match_operand:SI 5 "s_register_operand" "r,r")))
+         (match_operand:SI 4 "s_register_operand" "%r,r")
+         (match_operand:SI 5 "s_register_operand" "r,r"))
         (match_operand:SI 1 "s_register_operand" "0,0")))
    (set (match_operand:SI 2 "s_register_operand" "=r,&r")
        (plus:SI

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d53d67a..8386c33 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-27  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/91919
+       * gcc.c-torture/compile/pr91919.c: New.test
+
 2019-09-27  Manfred Schwarb  <manfred99@gmx.ch>
 
        * gfortran.dg/associate_48.f90: Fix a dg directive.

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr91919.c b/gcc/testsuite/gcc.c-torture/compile/pr91919.c
new file mode 100644 (file)
index 0000000..9d0c95e
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr91919.c
@@ -0,0 +1,7 @@
+/* PR target/91919 */
+
+unsigned int
+foo (unsigned int x, int y)
+{
+  return (x * 3355443200ULL + (y * 1801439851ULL >> 29) >> 25);
+}