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aarch64: Add non-local goto and jump tests for GCS

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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-1-track-speculation.c: New test.
	* gcc.target/aarch64/gcs-nonlocal-2.c: New test.
	* gcc.target/aarch64/gcs-nonlocal-2-track-speculation.c: New test.
	* gcc.target/aarch64/gcs-nonlocal-1.h: New header file.
	* gcc.target/aarch64/gcs-nonlocal-2.h: New header file.
This commit is contained in:
Szabolcs Nagy 2024-11-14 16:15:09 +00:00 committed by Richard Sandiford
parent 41479351d6
commit 89c7ebdee1
6 changed files with 64 additions and 0 deletions
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7
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1-track-speculation.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -mbranch-protection=gcs -mtrack-speculation" } */
/* { 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 } } */
#include "gcs-nonlocal-1.h"

7
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.c Normal file
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/* { 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 } } */
#include "gcs-nonlocal-1.h"

20
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-1.h Normal file
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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 ();
}

7
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2-track-speculation.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O2 -mbranch-protection=gcs -mtrack-speculation" } */
/* { 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 } } */
#include "gcs-nonlocal-2.h"

7
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.c Normal file
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/* { 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 } } */
#include "gcs-nonlocal-2.h"

16
gcc/testsuite/gcc.target/aarch64/gcs-nonlocal-2.h Normal file
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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 ();
}