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| author | Marc Glisse <marc.glisse@inria.fr> | 2012-10-15 16:38:04 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2012-10-15 14:38:04 +0000 |
| commit | 895e8371269deae98b75c6784cd0def3d8ff4446 (patch) | |
| tree | 320c480cf8b9e7015d9b500f360ff0c0b2c00eca | |
| parent | 8135e1e691f50e1abb33f6ed602679692b322016 (diff) | |
| download | gcc-895e8371269deae98b75c6784cd0def3d8ff4446.zip gcc-895e8371269deae98b75c6784cd0def3d8ff4446.tar.gz gcc-895e8371269deae98b75c6784cd0def3d8ff4446.tar.bz2 | |
re PR middle-end/54915 (ICE: verify_gimple failed: type mismatch in vector permute expression)
2012-10-15 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/54915
gcc/
* tree-ssa-forwprop.c (simplify_vector_constructor): Check
argument's type.
gcc/testsuite/
* gcc.dg/tree-ssa/pr54915.c: New testcase.
From-SVN: r192461
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr54915.c | 12 | ||||
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 2 |
4 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2905d69..227a60f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-10-15 Marc Glisse <marc.glisse@inria.fr> + + PR tree-optimization/54915 + * tree-ssa-forwprop.c (simplify_vector_constructor): Check + argument's type. + 2012-10-15 Richard Biener <rguenther@suse.de> * data-streamer.h (bp_pack_string_with_length): New function. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 07a052d..74e7b1c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-10-15 Marc Glisse <marc.glisse@inria.fr> + + PR tree-optimization/54915 + * gcc.dg/tree-ssa/pr54915.c: New testcase. + 2012-10-15 Richard Guenther <rguenther@suse.de> PR tree-optimization/54920 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c b/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c new file mode 100644 index 0000000..1e11df1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +typedef double v2df __attribute__ ((__vector_size__ (16))); +typedef double v4df __attribute__ ((__vector_size__ (32))); + +void f (v2df *ret, v4df* xp) +{ + v4df x = *xp; + v2df xx = { x[2], x[3] }; + *ret = xx; +} diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index eb1af4e..b6c5654 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -2840,6 +2840,8 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi) { if (TREE_CODE (ref) != SSA_NAME) return false; + if (!useless_type_conversion_p (type, TREE_TYPE (ref))) + return false; orig = ref; } if (TREE_INT_CST_LOW (TREE_OPERAND (op1, 1)) != elem_size) |