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Unified Diff: third_party/boringssl/linux-aarch64/crypto/aes/aesv8-armx64.S

Issue 1319703002: Breaking Change: merge BoringSSL branch into master (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 4 months ago
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Index: third_party/boringssl/linux-aarch64/crypto/aes/aesv8-armx64.S
diff --git a/third_party/boringssl/linux-aarch64/crypto/aes/aesv8-armx64.S b/third_party/boringssl/linux-aarch64/crypto/aes/aesv8-armx64.S
new file mode 100644
index 0000000000000000000000000000000000000000..c414476cdf72f7fcdda97fd8d1fe233989b6026c
--- /dev/null
+++ b/third_party/boringssl/linux-aarch64/crypto/aes/aesv8-armx64.S
@@ -0,0 +1,751 @@
+#if defined(__aarch64__)
+#include "arm_arch.h"
+
+#if __ARM_MAX_ARCH__>=7
+.text
+#if !defined(__clang__)
+.arch armv8-a+crypto
+#endif
+.align 5
+.Lrcon:
+.long 0x01,0x01,0x01,0x01
+.long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d // rotate-n-splat
+.long 0x1b,0x1b,0x1b,0x1b
+
+.globl aes_v8_set_encrypt_key
+.type aes_v8_set_encrypt_key,%function
+.align 5
+aes_v8_set_encrypt_key:
+.Lenc_key:
+ stp x29,x30,[sp,#-16]!
+ add x29,sp,#0
+ mov x3,#-1
+ cmp x0,#0
+ b.eq .Lenc_key_abort
+ cmp x2,#0
+ b.eq .Lenc_key_abort
+ mov x3,#-2
+ cmp w1,#128
+ b.lt .Lenc_key_abort
+ cmp w1,#256
+ b.gt .Lenc_key_abort
+ tst w1,#0x3f
+ b.ne .Lenc_key_abort
+
+ adr x3,.Lrcon
+ cmp w1,#192
+
+ eor v0.16b,v0.16b,v0.16b
+ ld1 {v3.16b},[x0],#16
+ mov w1,#8 // reuse w1
+ ld1 {v1.4s,v2.4s},[x3],#32
+
+ b.lt .Loop128
+ b.eq .L192
+ b .L256
+
+.align 4
+.Loop128:
+ tbl v6.16b,{v3.16b},v2.16b
+ ext v5.16b,v0.16b,v3.16b,#12
+ st1 {v3.4s},[x2],#16
+ aese v6.16b,v0.16b
+ subs w1,w1,#1
+
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v6.16b,v6.16b,v1.16b
+ eor v3.16b,v3.16b,v5.16b
+ shl v1.16b,v1.16b,#1
+ eor v3.16b,v3.16b,v6.16b
+ b.ne .Loop128
+
+ ld1 {v1.4s},[x3]
+
+ tbl v6.16b,{v3.16b},v2.16b
+ ext v5.16b,v0.16b,v3.16b,#12
+ st1 {v3.4s},[x2],#16
+ aese v6.16b,v0.16b
+
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v6.16b,v6.16b,v1.16b
+ eor v3.16b,v3.16b,v5.16b
+ shl v1.16b,v1.16b,#1
+ eor v3.16b,v3.16b,v6.16b
+
+ tbl v6.16b,{v3.16b},v2.16b
+ ext v5.16b,v0.16b,v3.16b,#12
+ st1 {v3.4s},[x2],#16
+ aese v6.16b,v0.16b
+
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v6.16b,v6.16b,v1.16b
+ eor v3.16b,v3.16b,v5.16b
+ eor v3.16b,v3.16b,v6.16b
+ st1 {v3.4s},[x2]
+ add x2,x2,#0x50
+
+ mov w12,#10
+ b .Ldone
+
+.align 4
+.L192:
+ ld1 {v4.8b},[x0],#8
+ movi v6.16b,#8 // borrow v6.16b
+ st1 {v3.4s},[x2],#16
+ sub v2.16b,v2.16b,v6.16b // adjust the mask
+
+.Loop192:
+ tbl v6.16b,{v4.16b},v2.16b
+ ext v5.16b,v0.16b,v3.16b,#12
+ st1 {v4.8b},[x2],#8
+ aese v6.16b,v0.16b
+ subs w1,w1,#1
+
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+
+ dup v5.4s,v3.s[3]
+ eor v5.16b,v5.16b,v4.16b
+ eor v6.16b,v6.16b,v1.16b
+ ext v4.16b,v0.16b,v4.16b,#12
+ shl v1.16b,v1.16b,#1
+ eor v4.16b,v4.16b,v5.16b
+ eor v3.16b,v3.16b,v6.16b
+ eor v4.16b,v4.16b,v6.16b
+ st1 {v3.4s},[x2],#16
+ b.ne .Loop192
+
+ mov w12,#12
+ add x2,x2,#0x20
+ b .Ldone
+
+.align 4
+.L256:
+ ld1 {v4.16b},[x0]
+ mov w1,#7
+ mov w12,#14
+ st1 {v3.4s},[x2],#16
+
+.Loop256:
+ tbl v6.16b,{v4.16b},v2.16b
+ ext v5.16b,v0.16b,v3.16b,#12
+ st1 {v4.4s},[x2],#16
+ aese v6.16b,v0.16b
+ subs w1,w1,#1
+
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v3.16b,v3.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v6.16b,v6.16b,v1.16b
+ eor v3.16b,v3.16b,v5.16b
+ shl v1.16b,v1.16b,#1
+ eor v3.16b,v3.16b,v6.16b
+ st1 {v3.4s},[x2],#16
+ b.eq .Ldone
+
+ dup v6.4s,v3.s[3] // just splat
+ ext v5.16b,v0.16b,v4.16b,#12
+ aese v6.16b,v0.16b
+
+ eor v4.16b,v4.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v4.16b,v4.16b,v5.16b
+ ext v5.16b,v0.16b,v5.16b,#12
+ eor v4.16b,v4.16b,v5.16b
+
+ eor v4.16b,v4.16b,v6.16b
+ b .Loop256
+
+.Ldone:
+ str w12,[x2]
+ mov x3,#0
+
+.Lenc_key_abort:
+ mov x0,x3 // return value
+ ldr x29,[sp],#16
+ ret
+.size aes_v8_set_encrypt_key,.-aes_v8_set_encrypt_key
+
+.globl aes_v8_set_decrypt_key
+.type aes_v8_set_decrypt_key,%function
+.align 5
+aes_v8_set_decrypt_key:
+ stp x29,x30,[sp,#-16]!
+ add x29,sp,#0
+ bl .Lenc_key
+
+ cmp x0,#0
+ b.ne .Ldec_key_abort
+
+ sub x2,x2,#240 // restore original x2
+ mov x4,#-16
+ add x0,x2,x12,lsl#4 // end of key schedule
+
+ ld1 {v0.4s},[x2]
+ ld1 {v1.4s},[x0]
+ st1 {v0.4s},[x0],x4
+ st1 {v1.4s},[x2],#16
+
+.Loop_imc:
+ ld1 {v0.4s},[x2]
+ ld1 {v1.4s},[x0]
+ aesimc v0.16b,v0.16b
+ aesimc v1.16b,v1.16b
+ st1 {v0.4s},[x0],x4
+ st1 {v1.4s},[x2],#16
+ cmp x0,x2
+ b.hi .Loop_imc
+
+ ld1 {v0.4s},[x2]
+ aesimc v0.16b,v0.16b
+ st1 {v0.4s},[x0]
+
+ eor x0,x0,x0 // return value
+.Ldec_key_abort:
+ ldp x29,x30,[sp],#16
+ ret
+.size aes_v8_set_decrypt_key,.-aes_v8_set_decrypt_key
+.globl aes_v8_encrypt
+.type aes_v8_encrypt,%function
+.align 5
+aes_v8_encrypt:
+ ldr w3,[x2,#240]
+ ld1 {v0.4s},[x2],#16
+ ld1 {v2.16b},[x0]
+ sub w3,w3,#2
+ ld1 {v1.4s},[x2],#16
+
+.Loop_enc:
+ aese v2.16b,v0.16b
+ aesmc v2.16b,v2.16b
+ ld1 {v0.4s},[x2],#16
+ subs w3,w3,#2
+ aese v2.16b,v1.16b
+ aesmc v2.16b,v2.16b
+ ld1 {v1.4s},[x2],#16
+ b.gt .Loop_enc
+
+ aese v2.16b,v0.16b
+ aesmc v2.16b,v2.16b
+ ld1 {v0.4s},[x2]
+ aese v2.16b,v1.16b
+ eor v2.16b,v2.16b,v0.16b
+
+ st1 {v2.16b},[x1]
+ ret
+.size aes_v8_encrypt,.-aes_v8_encrypt
+.globl aes_v8_decrypt
+.type aes_v8_decrypt,%function
+.align 5
+aes_v8_decrypt:
+ ldr w3,[x2,#240]
+ ld1 {v0.4s},[x2],#16
+ ld1 {v2.16b},[x0]
+ sub w3,w3,#2
+ ld1 {v1.4s},[x2],#16
+
+.Loop_dec:
+ aesd v2.16b,v0.16b
+ aesimc v2.16b,v2.16b
+ ld1 {v0.4s},[x2],#16
+ subs w3,w3,#2
+ aesd v2.16b,v1.16b
+ aesimc v2.16b,v2.16b
+ ld1 {v1.4s},[x2],#16
+ b.gt .Loop_dec
+
+ aesd v2.16b,v0.16b
+ aesimc v2.16b,v2.16b
+ ld1 {v0.4s},[x2]
+ aesd v2.16b,v1.16b
+ eor v2.16b,v2.16b,v0.16b
+
+ st1 {v2.16b},[x1]
+ ret
+.size aes_v8_decrypt,.-aes_v8_decrypt
+.globl aes_v8_cbc_encrypt
+.type aes_v8_cbc_encrypt,%function
+.align 5
+aes_v8_cbc_encrypt:
+ stp x29,x30,[sp,#-16]!
+ add x29,sp,#0
+ subs x2,x2,#16
+ mov x8,#16
+ b.lo .Lcbc_abort
+ csel x8,xzr,x8,eq
+
+ cmp w5,#0 // en- or decrypting?
+ ldr w5,[x3,#240]
+ and x2,x2,#-16
+ ld1 {v6.16b},[x4]
+ ld1 {v0.16b},[x0],x8
+
+ ld1 {v16.4s,v17.4s},[x3] // load key schedule...
+ sub w5,w5,#6
+ add x7,x3,x5,lsl#4 // pointer to last 7 round keys
+ sub w5,w5,#2
+ ld1 {v18.4s,v19.4s},[x7],#32
+ ld1 {v20.4s,v21.4s},[x7],#32
+ ld1 {v22.4s,v23.4s},[x7],#32
+ ld1 {v7.4s},[x7]
+
+ add x7,x3,#32
+ mov w6,w5
+ b.eq .Lcbc_dec
+
+ cmp w5,#2
+ eor v0.16b,v0.16b,v6.16b
+ eor v5.16b,v16.16b,v7.16b
+ b.eq .Lcbc_enc128
+
+ ld1 {v2.4s,v3.4s},[x7]
+ add x7,x3,#16
+ add x6,x3,#16*4
+ add x12,x3,#16*5
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ add x14,x3,#16*6
+ add x3,x3,#16*7
+ b .Lenter_cbc_enc
+
+.align 4
+.Loop_cbc_enc:
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ st1 {v6.16b},[x1],#16
+.Lenter_cbc_enc:
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v2.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v16.4s},[x6]
+ cmp w5,#4
+ aese v0.16b,v3.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v17.4s},[x12]
+ b.eq .Lcbc_enc192
+
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v16.4s},[x14]
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v17.4s},[x3]
+ nop
+
+.Lcbc_enc192:
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ subs x2,x2,#16
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ csel x8,xzr,x8,eq
+ aese v0.16b,v18.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v19.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v16.16b},[x0],x8
+ aese v0.16b,v20.16b
+ aesmc v0.16b,v0.16b
+ eor v16.16b,v16.16b,v5.16b
+ aese v0.16b,v21.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v17.4s},[x7] // re-pre-load rndkey[1]
+ aese v0.16b,v22.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v23.16b
+ eor v6.16b,v0.16b,v7.16b
+ b.hs .Loop_cbc_enc
+
+ st1 {v6.16b},[x1],#16
+ b .Lcbc_done
+
+.align 5
+.Lcbc_enc128:
+ ld1 {v2.4s,v3.4s},[x7]
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ b .Lenter_cbc_enc128
+.Loop_cbc_enc128:
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ st1 {v6.16b},[x1],#16
+.Lenter_cbc_enc128:
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ subs x2,x2,#16
+ aese v0.16b,v2.16b
+ aesmc v0.16b,v0.16b
+ csel x8,xzr,x8,eq
+ aese v0.16b,v3.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v18.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v19.16b
+ aesmc v0.16b,v0.16b
+ ld1 {v16.16b},[x0],x8
+ aese v0.16b,v20.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v21.16b
+ aesmc v0.16b,v0.16b
+ aese v0.16b,v22.16b
+ aesmc v0.16b,v0.16b
+ eor v16.16b,v16.16b,v5.16b
+ aese v0.16b,v23.16b
+ eor v6.16b,v0.16b,v7.16b
+ b.hs .Loop_cbc_enc128
+
+ st1 {v6.16b},[x1],#16
+ b .Lcbc_done
+.align 5
+.Lcbc_dec:
+ ld1 {v18.16b},[x0],#16
+ subs x2,x2,#32 // bias
+ add w6,w5,#2
+ orr v3.16b,v0.16b,v0.16b
+ orr v1.16b,v0.16b,v0.16b
+ orr v19.16b,v18.16b,v18.16b
+ b.lo .Lcbc_dec_tail
+
+ orr v1.16b,v18.16b,v18.16b
+ ld1 {v18.16b},[x0],#16
+ orr v2.16b,v0.16b,v0.16b
+ orr v3.16b,v1.16b,v1.16b
+ orr v19.16b,v18.16b,v18.16b
+
+.Loop3x_cbc_dec:
+ aesd v0.16b,v16.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v16.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v16.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v16.4s},[x7],#16
+ subs w6,w6,#2
+ aesd v0.16b,v17.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v17.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v17.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v17.4s},[x7],#16
+ b.gt .Loop3x_cbc_dec
+
+ aesd v0.16b,v16.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v16.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v16.16b
+ aesimc v18.16b,v18.16b
+ eor v4.16b,v6.16b,v7.16b
+ subs x2,x2,#0x30
+ eor v5.16b,v2.16b,v7.16b
+ csel x6,x2,x6,lo // x6, w6, is zero at this point
+ aesd v0.16b,v17.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v17.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v17.16b
+ aesimc v18.16b,v18.16b
+ eor v17.16b,v3.16b,v7.16b
+ add x0,x0,x6 // x0 is adjusted in such way that
+ // at exit from the loop v1.16b-v18.16b
+ // are loaded with last "words"
+ orr v6.16b,v19.16b,v19.16b
+ mov x7,x3
+ aesd v0.16b,v20.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v20.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v20.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v2.16b},[x0],#16
+ aesd v0.16b,v21.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v21.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v21.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v3.16b},[x0],#16
+ aesd v0.16b,v22.16b
+ aesimc v0.16b,v0.16b
+ aesd v1.16b,v22.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v22.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v19.16b},[x0],#16
+ aesd v0.16b,v23.16b
+ aesd v1.16b,v23.16b
+ aesd v18.16b,v23.16b
+ ld1 {v16.4s},[x7],#16 // re-pre-load rndkey[0]
+ add w6,w5,#2
+ eor v4.16b,v4.16b,v0.16b
+ eor v5.16b,v5.16b,v1.16b
+ eor v18.16b,v18.16b,v17.16b
+ ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
+ st1 {v4.16b},[x1],#16
+ orr v0.16b,v2.16b,v2.16b
+ st1 {v5.16b},[x1],#16
+ orr v1.16b,v3.16b,v3.16b
+ st1 {v18.16b},[x1],#16
+ orr v18.16b,v19.16b,v19.16b
+ b.hs .Loop3x_cbc_dec
+
+ cmn x2,#0x30
+ b.eq .Lcbc_done
+ nop
+
+.Lcbc_dec_tail:
+ aesd v1.16b,v16.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v16.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v16.4s},[x7],#16
+ subs w6,w6,#2
+ aesd v1.16b,v17.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v17.16b
+ aesimc v18.16b,v18.16b
+ ld1 {v17.4s},[x7],#16
+ b.gt .Lcbc_dec_tail
+
+ aesd v1.16b,v16.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v16.16b
+ aesimc v18.16b,v18.16b
+ aesd v1.16b,v17.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v17.16b
+ aesimc v18.16b,v18.16b
+ aesd v1.16b,v20.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v20.16b
+ aesimc v18.16b,v18.16b
+ cmn x2,#0x20
+ aesd v1.16b,v21.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v21.16b
+ aesimc v18.16b,v18.16b
+ eor v5.16b,v6.16b,v7.16b
+ aesd v1.16b,v22.16b
+ aesimc v1.16b,v1.16b
+ aesd v18.16b,v22.16b
+ aesimc v18.16b,v18.16b
+ eor v17.16b,v3.16b,v7.16b
+ aesd v1.16b,v23.16b
+ aesd v18.16b,v23.16b
+ b.eq .Lcbc_dec_one
+ eor v5.16b,v5.16b,v1.16b
+ eor v17.16b,v17.16b,v18.16b
+ orr v6.16b,v19.16b,v19.16b
+ st1 {v5.16b},[x1],#16
+ st1 {v17.16b},[x1],#16
+ b .Lcbc_done
+
+.Lcbc_dec_one:
+ eor v5.16b,v5.16b,v18.16b
+ orr v6.16b,v19.16b,v19.16b
+ st1 {v5.16b},[x1],#16
+
+.Lcbc_done:
+ st1 {v6.16b},[x4]
+.Lcbc_abort:
+ ldr x29,[sp],#16
+ ret
+.size aes_v8_cbc_encrypt,.-aes_v8_cbc_encrypt
+.globl aes_v8_ctr32_encrypt_blocks
+.type aes_v8_ctr32_encrypt_blocks,%function
+.align 5
+aes_v8_ctr32_encrypt_blocks:
+ stp x29,x30,[sp,#-16]!
+ add x29,sp,#0
+ ldr w5,[x3,#240]
+
+ ldr w8, [x4, #12]
+ ld1 {v0.4s},[x4]
+
+ ld1 {v16.4s,v17.4s},[x3] // load key schedule...
+ sub w5,w5,#4
+ mov x12,#16
+ cmp x2,#2
+ add x7,x3,x5,lsl#4 // pointer to last 5 round keys
+ sub w5,w5,#2
+ ld1 {v20.4s,v21.4s},[x7],#32
+ ld1 {v22.4s,v23.4s},[x7],#32
+ ld1 {v7.4s},[x7]
+ add x7,x3,#32
+ mov w6,w5
+ csel x12,xzr,x12,lo
+#ifndef __ARMEB__
+ rev w8, w8
+#endif
+ orr v1.16b,v0.16b,v0.16b
+ add w10, w8, #1
+ orr v18.16b,v0.16b,v0.16b
+ add w8, w8, #2
+ orr v6.16b,v0.16b,v0.16b
+ rev w10, w10
+ mov v1.s[3],w10
+ b.ls .Lctr32_tail
+ rev w12, w8
+ sub x2,x2,#3 // bias
+ mov v18.s[3],w12
+ b .Loop3x_ctr32
+
+.align 4
+.Loop3x_ctr32:
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v16.16b
+ aesmc v1.16b,v1.16b
+ aese v18.16b,v16.16b
+ aesmc v18.16b,v18.16b
+ ld1 {v16.4s},[x7],#16
+ subs w6,w6,#2
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v17.16b
+ aesmc v1.16b,v1.16b
+ aese v18.16b,v17.16b
+ aesmc v18.16b,v18.16b
+ ld1 {v17.4s},[x7],#16
+ b.gt .Loop3x_ctr32
+
+ aese v0.16b,v16.16b
+ aesmc v4.16b,v0.16b
+ aese v1.16b,v16.16b
+ aesmc v5.16b,v1.16b
+ ld1 {v2.16b},[x0],#16
+ orr v0.16b,v6.16b,v6.16b
+ aese v18.16b,v16.16b
+ aesmc v18.16b,v18.16b
+ ld1 {v3.16b},[x0],#16
+ orr v1.16b,v6.16b,v6.16b
+ aese v4.16b,v17.16b
+ aesmc v4.16b,v4.16b
+ aese v5.16b,v17.16b
+ aesmc v5.16b,v5.16b
+ ld1 {v19.16b},[x0],#16
+ mov x7,x3
+ aese v18.16b,v17.16b
+ aesmc v17.16b,v18.16b
+ orr v18.16b,v6.16b,v6.16b
+ add w9,w8,#1
+ aese v4.16b,v20.16b
+ aesmc v4.16b,v4.16b
+ aese v5.16b,v20.16b
+ aesmc v5.16b,v5.16b
+ eor v2.16b,v2.16b,v7.16b
+ add w10,w8,#2
+ aese v17.16b,v20.16b
+ aesmc v17.16b,v17.16b
+ eor v3.16b,v3.16b,v7.16b
+ add w8,w8,#3
+ aese v4.16b,v21.16b
+ aesmc v4.16b,v4.16b
+ aese v5.16b,v21.16b
+ aesmc v5.16b,v5.16b
+ eor v19.16b,v19.16b,v7.16b
+ rev w9,w9
+ aese v17.16b,v21.16b
+ aesmc v17.16b,v17.16b
+ mov v0.s[3], w9
+ rev w10,w10
+ aese v4.16b,v22.16b
+ aesmc v4.16b,v4.16b
+ aese v5.16b,v22.16b
+ aesmc v5.16b,v5.16b
+ mov v1.s[3], w10
+ rev w12,w8
+ aese v17.16b,v22.16b
+ aesmc v17.16b,v17.16b
+ mov v18.s[3], w12
+ subs x2,x2,#3
+ aese v4.16b,v23.16b
+ aese v5.16b,v23.16b
+ aese v17.16b,v23.16b
+
+ eor v2.16b,v2.16b,v4.16b
+ ld1 {v16.4s},[x7],#16 // re-pre-load rndkey[0]
+ st1 {v2.16b},[x1],#16
+ eor v3.16b,v3.16b,v5.16b
+ mov w6,w5
+ st1 {v3.16b},[x1],#16
+ eor v19.16b,v19.16b,v17.16b
+ ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
+ st1 {v19.16b},[x1],#16
+ b.hs .Loop3x_ctr32
+
+ adds x2,x2,#3
+ b.eq .Lctr32_done
+ cmp x2,#1
+ mov x12,#16
+ csel x12,xzr,x12,eq
+
+.Lctr32_tail:
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v16.16b
+ aesmc v1.16b,v1.16b
+ ld1 {v16.4s},[x7],#16
+ subs w6,w6,#2
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v17.16b
+ aesmc v1.16b,v1.16b
+ ld1 {v17.4s},[x7],#16
+ b.gt .Lctr32_tail
+
+ aese v0.16b,v16.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v16.16b
+ aesmc v1.16b,v1.16b
+ aese v0.16b,v17.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v17.16b
+ aesmc v1.16b,v1.16b
+ ld1 {v2.16b},[x0],x12
+ aese v0.16b,v20.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v20.16b
+ aesmc v1.16b,v1.16b
+ ld1 {v3.16b},[x0]
+ aese v0.16b,v21.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v21.16b
+ aesmc v1.16b,v1.16b
+ eor v2.16b,v2.16b,v7.16b
+ aese v0.16b,v22.16b
+ aesmc v0.16b,v0.16b
+ aese v1.16b,v22.16b
+ aesmc v1.16b,v1.16b
+ eor v3.16b,v3.16b,v7.16b
+ aese v0.16b,v23.16b
+ aese v1.16b,v23.16b
+
+ cmp x2,#1
+ eor v2.16b,v2.16b,v0.16b
+ eor v3.16b,v3.16b,v1.16b
+ st1 {v2.16b},[x1],#16
+ b.eq .Lctr32_done
+ st1 {v3.16b},[x1]
+
+.Lctr32_done:
+ ldr x29,[sp],#16
+ ret
+.size aes_v8_ctr32_encrypt_blocks,.-aes_v8_ctr32_encrypt_blocks
+#endif
+#endif
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