a71fb422ba
Fixes building of quagga [1]:
------------------------------>8---------------------------
839:1: error: unrecognizable insn:
}
^
(insn 183 24 26 4 (set (reg:CC_ZN 61 cc)
(and:SI (reg:SI 0 r0 [orig:192 _12->id.s_addr ] [192])
(const_int -256 [0xffffffffffffff00]))) ospf_ri.c:790 -1
(nil))
ospf_ri.c:839:1: internal compiler error: in extract_insn, at recog.c:2287
------------------------------>8---------------------------
[1] http://autobuild.buildroot.net/results/3c1/3c12c4609d4a77ab8ccd3ea94840884d70520efai
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From 08235ef444fd32d311fc9edb65895133820462e3 Mon Sep 17 00:00:00 2001
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From: claziss <claziss@synopsys.com>
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Date: Wed, 24 May 2017 12:53:43 +0200
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Subject: [PATCH] [ARC] Fix tst_movb pattern.
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The tst_movb pattern is missing guarding when spitting.
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gcc/
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2017-05-24 Claudiu Zissulescu <claziss@synopsys.com>
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* config/arc/arc.md (tst_movb): Add guard when splitting.
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testsuite/
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2017-05-24 Claudiu Zissulescu <claziss@synopsys.com>
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* gcc.target/arc/pr9001195952.c: New test.
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---
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gcc/config/arc/arc.md | 2 +-
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gcc/testsuite/gcc.target/arc/pr9001195952.c | 11 +++++++++++
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2 files changed, 12 insertions(+), 1 deletion(-)
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create mode 100755 gcc/testsuite/gcc.target/arc/pr9001195952.c
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diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
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index e78abaaafc42..d5510aeb0600 100644
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--- a/gcc/config/arc/arc.md
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+++ b/gcc/config/arc/arc.md
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@@ -863,7 +863,7 @@ archs4xd, archs4xd_slow"
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(clobber (match_scratch:SI 3 "=X,X,X,X,X,X,Rrq,Rrq,c"))]
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"TARGET_NPS_BITOPS"
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"movb.f.cl %3,%1,%p2,%p2,%s2"
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- "reload_completed
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+ "TARGET_NPS_BITOPS && reload_completed
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&& (extract_constrain_insn_cached (insn), (which_alternative & ~1) != 6)"
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[(set (match_dup 0) (match_dup 4))])
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diff --git a/gcc/testsuite/gcc.target/arc/pr9001195952.c b/gcc/testsuite/gcc.target/arc/pr9001195952.c
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new file mode 100755
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index 000000000000..252438d8d78b
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--- /dev/null
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+++ b/gcc/testsuite/gcc.target/arc/pr9001195952.c
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@@ -0,0 +1,11 @@
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+/* { dg-do compile } */
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+/* { dg-skip-if "" { ! { clmcpu } } } */
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+/* { dg-options "-mcpu=archs -Os -w -fpic" } */
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+
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+/* tst_movb split pattern is wrong for anything else than NPS
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+ chip. */
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+__bswap_32___bsx() {
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+ int a = __builtin_bswap32(__bswap_32___bsx);
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+ if (a & 1048575)
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+ zlog_warn();
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+}
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--
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2.7.4
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