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authorBernd Edlinger <bernd.edlinger@hotmail.de>2016-01-01 18:45:41 +0000
committerBernd Edlinger <edlinger@gcc.gnu.org>2016-01-01 18:45:41 +0000
commitfecd16d2387f1f1b0f376aba290171c880897ab0 (patch)
tree48db2ab9dc8c20e9a7d3b8b661d671d57c1c2d9b
parent2f9686033d9d358b082da38c1b8a9380dfa9b961 (diff)
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re PR target/68917 (test suite failure for builtin-bitops-1.c)
PR target/68917 * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of SI values. Explicitly convert SI to DI and vice-versa. From-SVN: r232028
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/tilegx/tilegx.md11
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7d27a83..8b1fd2d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR target/68917
+ * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
+ SI values. Explicitly convert SI to DI and vice-versa.
+
2016-01-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69070
diff --git a/gcc/config/tilegx/tilegx.md b/gcc/config/tilegx/tilegx.md
index 944953c..a2c1aef 100644
--- a/gcc/config/tilegx/tilegx.md
+++ b/gcc/config/tilegx/tilegx.md
@@ -1799,13 +1799,16 @@
(define_expand "clzsi2"
[(set (match_dup 2)
- (ashift:DI (match_operand:SI 1 "reg_or_0_operand" "")
+ (zero_extend:DI (match_operand:SI 1 "reg_or_0_operand" "")))
+ (set (match_dup 2)
+ (ashift:DI (match_dup 2)
(const_int 32)))
- (set (subreg:DI (match_operand:SI 0 "register_operand" "") 0)
- (clz:DI (match_dup 2)))]
+ (set (match_dup 2)
+ (clz:DI (match_dup 2)))
+ (set (match_operand:SI 0 "register_operand" "")
+ (subreg:SI (match_dup 2) 0))]
""
{
- operands[1] = simplify_gen_subreg (DImode, operands[1], SImode, 0);
operands[2] = gen_reg_rtx (DImode);
})