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From: Szabolcs Nagy <nsz@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/ARM/heads/gcs-13)] aarch64: Add non-local goto and jump tests for GCS Date: Wed, 14 Feb 2024 15:37:34 +0000 (GMT) [thread overview] Message-ID: <20240214153734.BBA7D385E451@sourceware.org> (raw) https://gcc.gnu.org/g:7afd277f772e8c10f7bcbd8d0d72727250c3495d commit 7afd277f772e8c10f7bcbd8d0d72727250c3495d Author: Szabolcs Nagy <szabolcs.nagy@arm.com> Date: Wed Jun 7 10:58:06 2023 +0100 aarch64: Add non-local goto and jump tests for GCS These are scan asm tests only, relying on existing execution tests for runtime coverage. gcc/testsuite/ChangeLog: * gcc.target/aarch64/gcs-nonlocal-1.c: New test. * gcc.target/aarch64/gcs-nonlocal-2.c: New test. Diff: --- gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.c | 25 +++++++++++++++++++++++ gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.c | 21 +++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.c b/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.c new file mode 100644 index 000000000000..821fab816f9a --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mbranch-protection=gcs" } */ +/* { dg-final { scan-assembler-times "hint\\t40 // chkfeat x16" 2 } } */ +/* { dg-final { scan-assembler-times "mrs\\tx\[0-9\]+, s3_3_c2_c5_1 // gcspr_el0" 2 } } */ +/* { dg-final { scan-assembler-times "sysl\\txzr, #3, c7, c7, #1 // gcspopm" 1 } } */ + +int bar1 (int); +int bar2 (int); + +void foo (int cmd) +{ + __label__ start; + int x = 0; + + void nonlocal_goto (void) + { + x++; + goto start; + } + +start: + while (bar1 (x)) + if (bar2 (x)) + nonlocal_goto (); +} diff --git a/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.c b/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.c new file mode 100644 index 000000000000..63dbce36e1ed --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mbranch-protection=gcs" } */ +/* { dg-final { scan-assembler-times "hint\\t40 // chkfeat x16" 2 } } */ +/* { dg-final { scan-assembler-times "mrs\\tx\[0-9\]+, s3_3_c2_c5_1 // gcspr_el0" 2 } } */ +/* { dg-final { scan-assembler-times "sysl\\txzr, #3, c7, c7, #1 // gcspopm" 1 } } */ + +void longj (void *buf) +{ + __builtin_longjmp (buf, 1); +} + +void foo (void); +void bar (void); + +void setj (void *buf) +{ + if (__builtin_setjmp (buf)) + foo (); + else + bar (); +}
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