From a71fb422bae5141d8605650e5ce12b2b244ed8fb Mon Sep 17 00:00:00 2001 From: Alexey Brodkin Date: Wed, 24 May 2017 18:39:19 +0300 Subject: [PATCH] gcc: arc: add patch to fix tst_movb pattern 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 Signed-off-by: Thomas Petazzoni --- .../0001-ARC-Fix-tst_movb-pattern.patch | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 package/gcc/arc-2017.03/0001-ARC-Fix-tst_movb-pattern.patch diff --git a/package/gcc/arc-2017.03/0001-ARC-Fix-tst_movb-pattern.patch b/package/gcc/arc-2017.03/0001-ARC-Fix-tst_movb-pattern.patch new file mode 100644 index 0000000000..3b09a13019 --- /dev/null +++ b/package/gcc/arc-2017.03/0001-ARC-Fix-tst_movb-pattern.patch @@ -0,0 +1,55 @@ +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 + -- 2.30.2