| From 08235ef444fd32d311fc9edb65895133820462e3 Mon Sep 17 00:00:00 2001 |
| From: claziss <claziss@synopsys.com> |
| 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 <claziss@synopsys.com> |
| |
| * config/arc/arc.md (tst_movb): Add guard when splitting. |
| |
| testsuite/ |
| 2017-05-24 Claudiu Zissulescu <claziss@synopsys.com> |
| |
| * 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 |
| |