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authorOleg Endo <olegendo@gcc.gnu.org>2018-02-16 13:52:49 +0000
committerOleg Endo <olegendo@gcc.gnu.org>2018-02-16 13:52:49 +0000
commitd960ab7b8daceba84413b25d91c2410eec1bbde2 (patch)
treebdc2d0fef3edb983caddaf0691a6a2360da3cb80
parentbe77ba2a461eefdf4a2676b19025f36ec092c598 (diff)
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re PR target/83831 ([RX] Unused bclr,bnot,bset insns)
gcc/ PR target/83831 * config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand to QImode. gcc/testsuite/ PR target/83831 * gcc.target/rx/pr83831.c (test_3, test_6): Adjust test cases. From-SVN: r257735
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/rx/rx.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/rx/pr83831.c14
4 files changed, 20 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 01ca398..a5d5fde 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-02-16 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/83831
+ * config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand
+ to QImode.
+
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84037
diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c
index 0eaf418..de7af86 100644
--- a/gcc/config/rx/rx.c
+++ b/gcc/config/rx/rx.c
@@ -3515,7 +3515,7 @@ rx_fuse_in_memory_bitop (rtx* operands, rtx_insn* curr_insn,
if (volatile_insn_p (PATTERN (i)) || CALL_P (i))
return false;
- emit_insn (gen_insn (mem, operands[1]));
+ emit_insn (gen_insn (mem, gen_lowpart (QImode, operands[1])));
set_insn_deleted (op2_def.insn);
set_insn_deleted (op0_use);
return true;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2d98e2e..7cd64bb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-02-14 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/83831
+ * gcc.target/rx/pr83831.c (test_3, test_6): Adjust test cases.
+
2018-02-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/84417
diff --git a/gcc/testsuite/gcc.target/rx/pr83831.c b/gcc/testsuite/gcc.target/rx/pr83831.c
index 1bd1e2b..27d4a89 100644
--- a/gcc/testsuite/gcc.target/rx/pr83831.c
+++ b/gcc/testsuite/gcc.target/rx/pr83831.c
@@ -1,8 +1,8 @@
/* { dg-do compile } */
/* { dg-options "-O1" } */
/* { dg-final { scan-assembler-times "bclr" 6 } } */
-/* { dg-final { scan-assembler-times "bset" 6 } } */
-/* { dg-final { scan-assembler-times "bnot" 6 } } */
+/* { dg-final { scan-assembler-times "bset" 7 } } */
+/* { dg-final { scan-assembler-times "bnot" 7 } } */
void
test_0 (char* x, unsigned int y)
@@ -29,13 +29,14 @@ test_2 (unsigned int x)
}
void
-test_3 (char* x, unsigned int y)
+test_3 (char* x, unsigned int y, unsigned int z)
{
- /* Expect 4x bset here. */
+ /* Expect 5x bset here. */
x[0] |= 0x10;
x[1] = y | (1 << 1);
x[2] |= 0x10;
x[65000] |= 0x10;
+ x[5] |= 1 << z;
}
unsigned int
@@ -53,13 +54,14 @@ test_5 (unsigned int x)
}
void
-test_6 (char* x, unsigned int y)
+test_6 (char* x, unsigned int y, unsigned int z)
{
- /* Expect 4x bnot here. */
+ /* Expect 5x bnot here. */
x[0] ^= 0x10;
x[1] = y ^ (1 << 1);
x[2] ^= 0x10;
x[65000] ^= 0x10;
+ x[5] ^= 1 << z;
}
unsigned int