From: Kyrylo Tkachov Date: Thu, 14 Dec 2017 09:50:33 +0000 (+0000) Subject: [AArch64] Specify fp16 support for Cortex-A55 and Cortex-A75 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=30af63d7cbde0e47f3b9e3ad2320f7fd65dc762f;p=gcc.git [AArch64] Specify fp16 support for Cortex-A55 and Cortex-A75 The Cortex-A55 and Cortex-A75 processors support the fp16 extension. We already specify them as such in the arm port. This patch makes aarch64 consistent on this front. Bootstrapped and tested on aarch64-none-linux-gnu. Manually checked that compiling with aarch64-none-linux-gnu-gcc -mcpu=cortex-a55 -dM -E - < /dev/null shows __ARM_FEATURE_FP16_VECTOR_ARITHMETIC and __ARM_FEATURE_FP16_SCALAR_ARITHMETIC being specified as expected whereas they were not before this patch. * config/aarch64/aarch64-cores.def (cortex-a55, cortex-a75, cortex-a75.cortex-a55): Specify AARCH64_FL_F16 in the arch features. From-SVN: r255624 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9d4869eadba..5e18fb9aa89 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-12-14 Kyrylo Tkachov + + * config/aarch64/aarch64-cores.def (cortex-a55, cortex-a75, + cortex-a75.cortex-a55): Specify AARCH64_FL_F16 in the arch features. + 2017-12-14 Richard Sandiford Alan Hayward David Sherwood diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def index cdf047c0fa2..fa08cdf48cd 100644 --- a/gcc/config/aarch64/aarch64-cores.def +++ b/gcc/config/aarch64/aarch64-cores.def @@ -83,8 +83,8 @@ AARCH64_CORE("thunderx2t99", thunderx2t99, thunderx2t99, 8_1A, AARCH64_FL_FOR /* ARMv8.2-A Architecture Processors. */ /* ARM ('A') cores. */ -AARCH64_CORE("cortex-a55", cortexa55, cortexa53, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa53, 0x41, 0xd05, -1) -AARCH64_CORE("cortex-a75", cortexa75, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa73, 0x41, 0xd0a, -1) +AARCH64_CORE("cortex-a55", cortexa55, cortexa53, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa53, 0x41, 0xd05, -1) +AARCH64_CORE("cortex-a75", cortexa75, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa73, 0x41, 0xd0a, -1) /* ARMv8.3-A Architecture Processors. */ @@ -100,6 +100,6 @@ AARCH64_CORE("cortex-a73.cortex-a53", cortexa73cortexa53, cortexa53, 8A, AARCH /* ARM DynamIQ big.LITTLE configurations. */ -AARCH64_CORE("cortex-a75.cortex-a55", cortexa75cortexa55, cortexa53, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa73, 0x41, AARCH64_BIG_LITTLE (0xd0a, 0xd05), -1) +AARCH64_CORE("cortex-a75.cortex-a55", cortexa75cortexa55, cortexa53, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa73, 0x41, AARCH64_BIG_LITTLE (0xd0a, 0xd05), -1) #undef AARCH64_CORE