From 08235ef444fd32d311fc9edb65895133820462e3 Mon Sep 17 00:00:00 2001 From: claziss Date: Wed, 24 May 2017 12:53:43 +0200 Subject: [PATCH] [ARC] Fix tst_movb pattern. The tst_movb pattern is missing guarding when spitting. gcc/ 2017-05-24 Claudiu Zissulescu * config/arc/arc.md (tst_movb): Add guard when splitting. testsuite/ 2017-05-24 Claudiu Zissulescu * gcc.target/arc/pr9001195952.c: New test. --- gcc/config/arc/arc.md | 2 +- gcc/testsuite/gcc.target/arc/pr9001195952.c | 11 +++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) create mode 100755 gcc/testsuite/gcc.target/arc/pr9001195952.c diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md index e78abaaafc42..d5510aeb0600 100644 --- a/gcc/config/arc/arc.md +++ b/gcc/config/arc/arc.md @@ -863,7 +863,7 @@ archs4xd, archs4xd_slow" (clobber (match_scratch:SI 3 "=X,X,X,X,X,X,Rrq,Rrq,c"))] "TARGET_NPS_BITOPS" "movb.f.cl %3,%1,%p2,%p2,%s2" - "reload_completed + "TARGET_NPS_BITOPS && reload_completed && (extract_constrain_insn_cached (insn), (which_alternative & ~1) != 6)" [(set (match_dup 0) (match_dup 4))]) diff --git a/gcc/testsuite/gcc.target/arc/pr9001195952.c b/gcc/testsuite/gcc.target/arc/pr9001195952.c new file mode 100755 index 000000000000..252438d8d78b --- /dev/null +++ b/gcc/testsuite/gcc.target/arc/pr9001195952.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { ! { clmcpu } } } */ +/* { dg-options "-mcpu=archs -Os -w -fpic" } */ + +/* tst_movb split pattern is wrong for anything else than NPS + chip. */ +__bswap_32___bsx() { + int a = __builtin_bswap32(__bswap_32___bsx); + if (a & 1048575) + zlog_warn(); +} -- 2.7.4