From c2694d3739d90ea3350b42252638b604a2c122b7 Mon Sep 17 00:00:00 2001 From: Claudiu Zissulescu Date: Tue, 7 Nov 2017 20:16:41 +0200 Subject: [PATCH] [FIX][ZOL] fix checking for jumps Signed-off-by: Evgeniy Didin --- gcc/config/arc/arc.c | 3 ++- gcc/testsuite/gcc.target/arc/loop-4.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/arc/loop-4.c diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index 22eeb34a371..5d367499d03 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -7505,7 +7505,8 @@ hwloop_optimize (hwloop_info loop) && INSN_P (last_insn) && (JUMP_P (last_insn) || CALL_P (last_insn) || GET_CODE (PATTERN (last_insn)) == SEQUENCE - || JUMP_P (prev_active_insn (last_insn)) + || (prev_active_insn (last_insn) + && JUMP_P (prev_active_insn (last_insn))) /* At this stage we can have (insn (clobber (mem:BLK (reg)))) instructions, ignpre them. */ || (GET_CODE (PATTERN (last_insn)) != CLOBBER diff --git a/gcc/testsuite/gcc.target/arc/loop-4.c b/gcc/testsuite/gcc.target/arc/loop-4.c new file mode 100644 index 00000000000..99a93a74d1e --- /dev/null +++ b/gcc/testsuite/gcc.target/arc/loop-4.c @@ -0,0 +1,14 @@ +/* { dg-do assemble } */ +/* { dg-do compile } */ +/* { dg-options "-Os" } */ + + +void fn1(void *p1, int p2, int p3) +{ + char *d = p1; + do + *d++ = p2; + while (--p3); +} + +/* { dg-final { scan-assembler "lp_count" } } */ -- 2.11.0