Hi Dennis,
On 12/12/19 5:30 PM, Dennis Zhang wrote:
Hi all,
On 22/11/2019 14:33, Dennis Zhang wrote:
> Hi all,
>
> This patch is part of a series adding support for Armv8.6-A features.
> It enables options including -march=armv8.6-a, +i8mm and +bf16.
> The +i8mm and +bf16 features are optional for Armv8.2-a and onward.
> Documents are at https://developer.arm.com/docs/ddi0596/latest
>
> Regtested for arm-none-linux-gnueabi-armv8-a.
>
This is an update to rebase the patch to the top.
Some issues are fixed according to the recent CLI patch for AArch64.
ChangeLog is updated as following:
gcc/ChangeLog:
2019-12-12 Dennis Zhang <dennis.zh...@arm.com>
* config/arm/arm-c.c (arm_cpu_builtins): Define
__ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
__ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
__ARM_BF16_FORMAT_ALTERNATIVE when enabled.
* config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
* config/arm/arm-tables.opt: Regenerated.
* config/arm/arm.c (arm_option_reconfigure_globals): Initialize
arm_arch_i8mm and arm_arch_bf16 when enabled.
* config/arm/arm.h (TARGET_I8MM): New macro.
(TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
* config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
* config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
* config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
(v8_6_a_simd_variants): New.
(v8_*_a_simd_variants): Add i8mm and bf16.
* doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
gcc/testsuite/ChangeLog:
2019-12-12 Dennis Zhang <dennis.zh...@arm.com>
* gcc.target/arm/multilib.exp: Add combination tests for
armv8.6-a.
Is it OK for trunk?
This is ok for trunk.
Please follow the steps at https://gcc.gnu.org/svnwrite.html to get
write permission to the repo (listing me as approver).
You can then commit it yourself :)
Thanks,
Kyrill
Many thanks!
Dennis
