From e21679a8bb17aac603b8704891e60ac502200629 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 21 Nov 2018 17:41:03 +0100 Subject: [PATCH] re PR target/87839 (ICE in final_scan_insn_1, at final.c:3070) PR target/87839 * config/aarch64/atomics.md (@aarch64_compare_and_swap): Use rIJ constraint for aarch64_plus_operand rather than rn. * gcc.target/aarch64/pr87839.c: New test. From-SVN: r266346 --- gcc/ChangeLog | 6 ++++++ gcc/config/aarch64/atomics.md | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/aarch64/pr87839.c | 29 +++++++++++++++++++++++++++++ 4 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/pr87839.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e0eedf7..185bf1c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-21 Jakub Jelinek + + PR target/87839 + * config/aarch64/atomics.md (@aarch64_compare_and_swap): Use + rIJ constraint for aarch64_plus_operand rather than rn. + 2018-11-21 Renlin Li PR middle-end/84877 diff --git a/gcc/config/aarch64/atomics.md b/gcc/config/aarch64/atomics.md index 00f7af4..a429703 100644 --- a/gcc/config/aarch64/atomics.md +++ b/gcc/config/aarch64/atomics.md @@ -71,7 +71,7 @@ (match_operand:GPI 1 "aarch64_sync_memory_operand" "+Q")) ;; memory (set (match_dup 1) (unspec_volatile:GPI - [(match_operand:GPI 2 "aarch64_plus_operand" "rn") ;; expect + [(match_operand:GPI 2 "aarch64_plus_operand" "rIJ") ;; expect (match_operand:GPI 3 "aarch64_reg_or_zero" "rZ") ;; desired (match_operand:SI 4 "const_int_operand") ;; is_weak (match_operand:SI 5 "const_int_operand") ;; mod_s diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0561996..f12fb97 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-11-21 Jakub Jelinek + + PR target/87839 + * gcc.target/aarch64/pr87839.c: New test. + 2018-11-21 Renlin Li PR middle-end/84877 diff --git a/gcc/testsuite/gcc.target/aarch64/pr87839.c b/gcc/testsuite/gcc.target/aarch64/pr87839.c new file mode 100644 index 0000000..1da0830 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr87839.c @@ -0,0 +1,29 @@ +/* PR target/87839 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -w" } */ + +long long b[64]; +void foo (void); +int bar (void (*) (void)); +void qux (long long *, long long) __attribute__((noreturn)); +void quux (long long *, long long); + +void +baz (void) +{ + __sync_val_compare_and_swap (b, 4294967298LL, 78187493520LL); + __sync_bool_compare_and_swap (b + 1, 8589934595LL, 21474836489LL); + __sync_fetch_and_xor (b, 60129542145LL); + quux (b, 42949672967LL); + __sync_xor_and_fetch (b + 22, 60129542145LL); + quux (b + 23, 42949672967LL); + if (bar (baz)) + __builtin_abort (); + foo (); + __sync_val_compare_and_swap (b, 4294967298LL, 0); + __sync_bool_compare_and_swap (b + 1, 8589934595LL, 78187493520LL); + if (__sync_or_and_fetch (b, 21474836489LL) != 21474836489LL) + qux (b + 22, 60129542145LL); + __atomic_fetch_nand (b + 23, 42949672967LL, __ATOMIC_RELAXED); + bar (baz); +} -- 2.7.4