re PR target/65729 (ICE (in prohibited_class_reg_set_mode_p, at lra-constraints.c...

gcc/
2015-04-14  Yvan Roux  <yvan.roux@linaro.org>

	PR target/65729
	* lra-constraints.c (prohibited_class_reg_set_mode_p): Restore and fix
	the assertiion.

gcc/testsuite/
2015-04-14  Yvan Roux  <yvan.roux@linaro.org>

	PR target/65729
	* gcc.target/arm/pr65729.c: New test.

From-SVN: r222101

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6e1f1450971c39e86be9dc69877b20d24a437c05..d4755f91b42d63510128c1ee4f6f033883ca5201 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-04-14  Yvan Roux  <yvan.roux@linaro.org>
+
+       PR target/65729
+       * lra-constraints.c (prohibited_class_reg_set_mode_p): Restore and fix
+       the assertiion.
+
 2015-04-14  Uros Bizjak  <ubizjak@gmail.com>
 
        * config/i386/i386.h (LEGACY_INT_REG_P): New define.

diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 7353e7c2c7d06f7600e97df97a259cdba3c35a8f..90f351b9a0f5e7970e5ffd0504e806d78179c5b7 100644 (file)
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -1656,8 +1656,7 @@ prohibited_class_reg_set_mode_p (enum reg_class rclass,
 {
   HARD_REG_SET temp;
   
-  // ??? Is this assert right
-  // lra_assert (hard_reg_set_subset_p (set, reg_class_contents[rclass]));
+  lra_assert (hard_reg_set_subset_p (reg_class_contents[rclass], set));
   COPY_HARD_REG_SET (temp, set);
   AND_COMPL_HARD_REG_SET (temp, lra_no_alloc_regs);
   return (hard_reg_set_subset_p

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6d2d5de123197027cf19a3c78ae8ccd52538d503..2f6ef32fe3d3b4f305870eb44861841145c9da4e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-04-14  Yvan Roux  <yvan.roux@linaro.org>
+
+       PR target/65729
+       * gcc.target/arm/pr65729.c: New test.
+
 2015-04-14  Richard Biener  <rguenther@suse.de>
 
        PR tree-optimization/65758

diff --git a/gcc/testsuite/gcc.target/arm/pr65729.c b/gcc/testsuite/gcc.target/arm/pr65729.c
new file mode 100644 (file)
index 0000000..0d7e3c1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr65729.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16" } */
+
+int foo (void)
+{
+  double x = 0.0;
+  asm volatile ("" : "+gw" (x));
+  return x;
+}