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This patch similarly to the AArch64 one enables Dot Product support by default for the Cortex-A55 and Cortex-A75 which have hardware support for these instructions.

Browse source 
gas	* config/tc-arm.c (arm_cpus):
	Change FPU_ARCH_CRYPTO_NEON_VFP_ARMV8
	into FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD.

include	* opcode/arm.h (FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD):
	New macro.
This commit is contained in:
Tamar Christina 2017-11-07 10:17:21 +00:00 • committed by Nick Clifton
parent db84fff3f8
commit 0198d5e6fc
4 changed files with 118 additions and 85 deletions
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45
include/opcode/arm.h
View file

@ -70,8 +70,8 @@
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
#define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */
#define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */
#define ARM_CEXT_IWMMXT2 0x00000008 /* Intel Wireless MMX technology coprocessor version 2. */
#define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */
#define ARM_CEXT_IWMMXT2 0x00000008 /* Intel Wireless MMX technology coprocessor version 2. */
#define FPU_ENDIAN_PURE 0x80000000 /* Pure-endian doubles. */
#define FPU_ENDIAN_BIG 0 /* Double words-big-endian. */
@ -227,6 +227,9 @@
| FPU_VFP_ARMV8)
#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8 \
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD \
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8 | \
FPU_NEON_EXT_DOTPROD)
#define ARCH_CRC_ARMV8 ARM_FEATURE_COPROC (CRC_EXT_ARMV8)
#define FPU_ARCH_NEON_VFP_ARMV8_1 \
ARM_FEATURE_COPROC (FPU_NEON_ARMV8 \
@ -362,31 +365,37 @@ typedef struct
((CPU).core[0] == ((arm_feature_set)ARM_ANY).core[0] \
&& (CPU).core[1] == ((arm_feature_set)ARM_ANY).core[1])
#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \
do { \
(TARG).core[0] = (F1).core[0] | (F2).core[0];\
(TARG).core[1] = (F1).core[1] | (F2).core[1];\
(TARG).coproc = (F1).coproc | (F2).coproc; \
} while (0)
#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \
do \
{ \
(TARG).core[0] = (F1).core[0] | (F2).core[0]; \
(TARG).core[1] = (F1).core[1] | (F2).core[1]; \
(TARG).coproc = (F1).coproc | (F2).coproc; \
} \
while (0)
#define ARM_CLEAR_FEATURE(TARG,F1,F2) \
do { \
(TARG).core[0] = (F1).core[0] &~ (F2).core[0];\
(TARG).core[1] = (F1).core[1] &~ (F2).core[1];\
(TARG).coproc = (F1).coproc &~ (F2).coproc; \
} while (0)
#define ARM_CLEAR_FEATURE(TARG,F1,F2) \
do \
{ \
(TARG).core[0] = (F1).core[0] &~ (F2).core[0]; \
(TARG).core[1] = (F1).core[1] &~ (F2).core[1]; \
(TARG).coproc = (F1).coproc &~ (F2).coproc; \
} \
while (0)
#define ARM_FEATURE_COPY(F1, F2) \
do { \
do \
{ \
(F1).core[0] = (F2).core[0]; \
(F1).core[1] = (F2).core[1]; \
(F1).coproc = (F2).coproc; \
} while (0)
} \
while (0)
#define ARM_FEATURE_EQUAL(T1,T2) \
((T1).core[0] == (T2).core[0] \
( (T1).core[0] == (T2).core[0] \
&& (T1).core[1] == (T2).core[1] \
&& (T1).coproc == (T2).coproc)
&& (T1).coproc == (T2).coproc)
#define ARM_FEATURE_ZERO(T) \
((T).core[0] == 0 && (T).core[1] == 0 && (T).coproc == 0)