From 8c1ebb564f5eca2baeedc27a703200786d1abb0b Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Sat, 22 Dec 2018 15:28:40 -0800 Subject: [PATCH] tests/amd64: Do not clobber %rsp register This is seen with gcc-9.0 compiler now which is fix that gcc community did recently https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813 Upstream-Status: Submitted [https://bugs.kde.org/show_bug.cgi?id=402480] Signed-off-by: Khem Raj --- none/tests/amd64-linux/bug345887.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/none/tests/amd64-linux/bug345887.c b/none/tests/amd64-linux/bug345887.c index 0f9237d..4b07fe1 100644 --- a/none/tests/amd64-linux/bug345887.c +++ b/none/tests/amd64-linux/bug345887.c @@ -20,13 +20,14 @@ static void inner(void) "movq $0x10d, %%r14\n" "movq $0x10e, %%r15\n" // not %rbp as mdb is then not able to reconstruct stack trace - "movq $0x10f, %%rsp\n" + // not %rsp since gcc ignores it and since gcc >= 9.0 errors about it + // see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813 "movq $0x1234, (%%rax)\n" // should cause SEGV here "ud2" // should never get here : // no output registers : // no input registers : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", - "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rsp"); + "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"); } __attribute__((noinline))