From 895e8371269deae98b75c6784cd0def3d8ff4446 Mon Sep 17 00:00:00 2001 From: Marc Glisse Date: Mon, 15 Oct 2012 16:38:04 +0200 Subject: [PATCH] re PR middle-end/54915 (ICE: verify_gimple failed: type mismatch in vector permute expression) 2012-10-15 Marc Glisse 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 --- gcc/ChangeLog | 6 ++++++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/tree-ssa/pr54915.c | 12 ++++++++++++ gcc/tree-ssa-forwprop.c | 2 ++ 4 files changed, 25 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/pr54915.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2905d694f77..227a60f577d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-10-15 Marc Glisse + + PR tree-optimization/54915 + * tree-ssa-forwprop.c (simplify_vector_constructor): Check + argument's type. + 2012-10-15 Richard Biener * data-streamer.h (bp_pack_string_with_length): New function. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 07a052da729..74e7b1c3fd6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-10-15 Marc Glisse + + PR tree-optimization/54915 + * gcc.dg/tree-ssa/pr54915.c: New testcase. + 2012-10-15 Richard Guenther 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 00000000000..1e11df19810 --- /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 eb1af4e9e45..b6c5654da01 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) -- 2.30.2