diff options
| author | Richard Earnshaw <rearnsha@arm.com> | 2022-01-17 13:57:37 +0000 |
|---|---|---|
| committer | Richard Earnshaw <rearnsha@arm.com> | 2022-01-20 11:15:27 +0000 |
| commit | 9b42782366b705d9ecd24020ab35fe7eee045c4e (patch) | |
| tree | e277101387a18365e0f224e0f901319bf7d7c719 /gcc | |
| parent | 997070498b0d713ecfb384dc12d1e68ebdbee5bd (diff) | |
| download | gcc-9b42782366b705d9ecd24020ab35fe7eee045c4e.zip gcc-9b42782366b705d9ecd24020ab35fe7eee045c4e.tar.gz gcc-9b42782366b705d9ecd24020ab35fe7eee045c4e.tar.bz2 | |
arm: Add test for AES erratum mitigation
Add a testcase for the erratum mitigation. To improve coverage
use -dp on the assembler output and match the pattern names (and where
needed the alternative number).
gcc/testsuite/ChangeLog:
* gcc.target/arm/crypto-vaese-erratum1.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c b/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c new file mode 100644 index 0000000..3f16688 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_crypto_ok } */ +/* { dg-options "-O2 -mfix-cortex-a57-aes-1742098 -dp" } */ +/* { dg-add-options arm_crypto } */ + +#include "arm_neon.h" + +uint8x16_t +foo (uint8x16_t v) +{ + const uint8x16_t key1 = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}; + const uint8x16_t key2 = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f}; + int i; + + for (i = 0; i < 16; ++i) + { + v = vaesmcq_u8 (vaeseq_u8 (v, key1)); + v = vaesmcq_u8 (vaeseq_u8 (v, key2)); + } + return v; +} + +/* { dg-final { scan-assembler "aese.8\tq\[0-9\]+, q\[0-9\]+" } } */ +/* { dg-final { scan-assembler-times "aes_op_protect/2" 2} } */ +/* { dg-final { scan-assembler-times "aes_op_protect/0" 1} } */ +/* { dg-final { scan-assembler-times "(?:aesmc|aese_fused)_protected" 1} } */ |