From 7f87b4ef2323769bd71f7ccea2aa6017a7376f76 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 17 Nov 2020 06:01:41 -0800 Subject: [PATCH] x86: Add a testcase for PR target/31799 Add a testcase for PR target/31799 which was fixed by commit 4f0473fe89e68bf7c09542ee5c3684da25a5b435 Author: Uros Bizjak Date: Fri May 12 21:04:05 2017 +0200 compare-elim.c (try_eliminate_compare): Canonicalize operation with embedded compare to [(set (reg:CCM) (compare:CCM... * compare-elim.c (try_eliminate_compare): Canonicalize operation with embedded compare to [(set (reg:CCM) (compare:CCM (operation) (immediate))) (set (reg) (operation)]. * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define. in GCC 8. PR target/31799 * gcc.target/i386/pr31799.c: New test. --- gcc/testsuite/gcc.target/i386/pr31799.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 gcc/testsuite/gcc.target/i386/pr31799.c diff --git a/gcc/testsuite/gcc.target/i386/pr31799.c b/gcc/testsuite/gcc.target/i386/pr31799.c new file mode 100644 index 00000000000..c72c4eab986 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr31799.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +void +foo (int x, int *y, int *z) +{ + *z = ++x; + if (x != 0) + *y = 1; +} + +/* { dg-final { scan-assembler-not "test" } } */ -- 2.30.2