Hi,
The attached patch implements support for AES crypto instructions.
Tested on aarch64-none-elf. OK for trunk?
Thanks,
Tejas.
2013-12-06 Tejas Belagod <tejas.bela...@arm.com>
gcc/
* config/aarch64/aarch64-simd-builtins.def: Update builtins table.
* config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aes_op>v16qi,
aarch64_crypto_aes<aesmc_op>v16qi): New.
* config/aarch64/arm_neon.h (vaeseq_u8, vaesdq_u8, vaesmcq_u8,
vaesimcq_u8): New.
* config/aarch64/iterators.md (UNSPEC_AESE, UNSPEC_AESD, UNSPEC_AESMC,
UNSPEC_AESIMC): New.
(CRYPTO_AES, CRYPTO_AESMC): New int iterators.
(aes_op, aesmc_op): New int attributes.
testsuite/
* gcc.target/aarch64/aes.c: New.diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def
b/gcc/config/aarch64/aarch64-simd-builtins.def
index c18b150..49ab482 100644
--- a/gcc/config/aarch64/aarch64-simd-builtins.def
+++ b/gcc/config/aarch64/aarch64-simd-builtins.def
@@ -362,3 +362,8 @@
/* Implemented by fma<mode>4. */
BUILTIN_VDQF (TERNOP, fma, 4)
+ /* Implemented by aarch64_crypto_aes<op><mode>. */
+ VAR1 (BINOP, crypto_aese, 0, v16qi)
+ VAR1 (BINOP, crypto_aesd, 0, v16qi)
+ VAR1 (UNOP, crypto_aesmc, 0, v16qi)
+ VAR1 (UNOP, crypto_aesimc, 0, v16qi)
diff --git a/gcc/config/aarch64/aarch64-simd.md
b/gcc/config/aarch64/aarch64-simd.md
index 5dcbc62..4b17748 100644
--- a/gcc/config/aarch64/aarch64-simd.md
+++ b/gcc/config/aarch64/aarch64-simd.md
@@ -4074,3 +4074,25 @@
(gen_aarch64_get_lane<mode> (operands[0], operands[1], operands[2]));
DONE;
})
+
+;; aes
+
+(define_insn "aarch64_crypto_aes<aes_op>v16qi"
+ [(set (match_operand:V16QI 0 "register_operand" "=w")
+ (unspec:V16QI [(match_operand:V16QI 1 "register_operand" "0")
+ (match_operand:V16QI 2 "register_operand" "w")]
+ CRYPTO_AES))]
+ "TARGET_SIMD && TARGET_CRYPTO"
+ "aes<aes_op>\\t%0.16b, %2.16b"
+ [(set_attr "type" "crypto_aes")]
+)
+
+(define_insn "aarch64_crypto_aes<aesmc_op>v16qi"
+ [(set (match_operand:V16QI 0 "register_operand" "=w")
+ (unspec:V16QI [(match_operand:V16QI 1 "register_operand" "w")]
+ CRYPTO_AESMC))]
+ "TARGET_SIMD && TARGET_CRYPTO"
+ "aes<aesmc_op>\\t%0.16b, %1.16b"
+ [(set_attr "type" "crypto_aes")]
+)
+
diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h
index dc56170..9f35e09 100644
--- a/gcc/config/aarch64/arm_neon.h
+++ b/gcc/config/aarch64/arm_neon.h
@@ -15793,6 +15793,42 @@ vaddvq_f64 (float64x2_t __a)
return vgetq_lane_f64 (__t, __LANE0 (2));
}
+#ifdef __ARM_FEATURE_CRYPTO
+
+/* vaes */
+
+static __inline uint8x16_t
+vaeseq_u8 (uint8x16_t data, uint8x16_t key)
+{
+ return
+ (uint8x16_t) __builtin_aarch64_crypto_aesev16qi ((int8x16_t) data,
+ (int8x16_t) key);
+}
+
+static __inline uint8x16_t
+vaesdq_u8 (uint8x16_t data, uint8x16_t key)
+{
+ return
+ (uint8x16_t) __builtin_aarch64_crypto_aesdv16qi ((int8x16_t) data,
+ (int8x16_t) key);
+}
+
+static __inline uint8x16_t
+vaesmcq_u8 (uint8x16_t data)
+{
+ return
+ (uint8x16_t) __builtin_aarch64_crypto_aesmcv16qi ((int8x16_t) data);
+}
+
+static __inline uint8x16_t
+vaesimcq_u8 (uint8x16_t data)
+{
+ return
+ (uint8x16_t) __builtin_aarch64_crypto_aesimcv16qi ((int8x16_t) data);
+}
+
+#endif
+
/* vcage */
__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
diff --git a/gcc/config/aarch64/iterators.md b/gcc/config/aarch64/iterators.md
index fd7152c..91d6f74 100644
--- a/gcc/config/aarch64/iterators.md
+++ b/gcc/config/aarch64/iterators.md
@@ -263,6 +263,10 @@
UNSPEC_UZP2 ; Used in vector permute patterns.
UNSPEC_TRN1 ; Used in vector permute patterns.
UNSPEC_TRN2 ; Used in vector permute patterns.
+ UNSPEC_AESE ; Used in aarch64-simd.md.
+ UNSPEC_AESD ; Used in aarch64-simd.md.
+ UNSPEC_AESMC ; Used in aarch64-simd.md.
+ UNSPEC_AESIMC ; Used in aarch64-simd.md.
])
;; -------------------------------------------------------------------
@@ -843,6 +847,9 @@
(define_int_iterator FRECP [UNSPEC_FRECPE UNSPEC_FRECPX])
+(define_int_iterator CRYPTO_AES [UNSPEC_AESE UNSPEC_AESD])
+(define_int_iterator CRYPTO_AESMC [UNSPEC_AESMC UNSPEC_AESIMC])
+
;; -------------------------------------------------------------------
;; Int Iterators Attributes.
;; -------------------------------------------------------------------
@@ -959,3 +966,7 @@
(UNSPEC_UZP1 "1") (UNSPEC_UZP2 "2")])
(define_int_attr frecp_suffix [(UNSPEC_FRECPE "e") (UNSPEC_FRECPX "x")])
+
+(define_int_attr aes_op [(UNSPEC_AESE "e") (UNSPEC_AESD "d")])
+(define_int_attr aesmc_op [(UNSPEC_AESMC "mc") (UNSPEC_AESIMC "imc")])
+
diff --git a/gcc/testsuite/gcc.target/aarch64/aes.c
b/gcc/testsuite/gcc.target/aarch64/aes.c
new file mode 100644
index 0000000..82665fa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/aes.c
@@ -0,0 +1,40 @@
+
+/* { dg-do compile } */
+/* { dg-options "-march=armv8-a+crypto" } */
+
+#include "arm_neon.h"
+
+uint8x16_t
+test_vaeseq_u8 (uint8x16_t data, uint8x16_t key)
+{
+ return vaeseq_u8 (data, key);
+}
+
+/* { dg-final { scan-assembler "aese\\tv\[0-9\]+\.16b, v\[0-9\]+\.16b" } } */
+
+uint8x16_t
+test_vaesdq_u8 (uint8x16_t data, uint8x16_t key)
+{
+ return vaesdq_u8 (data, key);
+}
+
+/* { dg-final { scan-assembler "aesd\\tv\[0-9\]+\.16b, v\[0-9\]+\.16b" } } */
+
+uint8x16_t
+test_vaesmcq_u8 (uint8x16_t data)
+{
+ return vaesmcq_u8 (data);
+}
+
+/* { dg-final { scan-assembler "aesmc\\tv\[0-9\]+\.16b, v\[0-9\]+\.16b" } } */
+
+uint8x16_t
+test_vaesimcq_u8 (uint8x16_t data)
+{
+ return vaesimcq_u8 (data);
+}
+
+/* { dg-final { scan-assembler "aesimc\\tv\[0-9\]+\.16b, v\[0-9\]+\.16b" } } */
+
+
+/* { dg-final { cleanup-saved-temps } } */
