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PPC32 SHA-256 ASM: small code implementation

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Slower but smaller SHA-256 assembly code implementation enabled with:
WOLFSSL_PPC32_ASM_SMALL. (--enable-ppc32=small or
--enable-ppc32=inline,small)
This commit is contained in:
Sean Parkinson
2025-06-19 10:51:12 +10:00
parent c39f1fe721
commit 62721f4d51
3 changed files with 1455 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
configure.ac
View File

@ -3520,8 +3520,11 @@ then
inline)
ENABLED_PPC32_ASM_INLINE=yes
;;
small)
ENABLED_PPC32_ASM_SMALL=yes
;;
*)
AC_MSG_ERROR([Invalid RISC-V option [yes,inline]: $ENABLED_PPC32_ASM.])
AC_MSG_ERROR([Invalid RISC-V option [yes,inline,small]: $ENABLED_PPC32_ASM.])
break
;;
esac
@ -3536,6 +3539,10 @@ if test "$ENABLED_PPC32_ASM_INLINE" = "yes"; then
else
AM_CCASFLAGS="$AM_CCASFLAGS -DWOLFSSL_PPC32_ASM"
fi
if test "$ENABLED_PPC32_ASM_SMALL" = "yes"; then
AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_PPC32_ASM_SMALL"
AM_CCASFLAGS="$AM_CCASFLAGS -DWOLFSSL_PPC32_ASM_SMALL"
fi
# Xilinx hardened crypto
AC_ARG_ENABLE([xilinx],

716
wolfcrypt/src/port/ppc32/ppc32-sha256-asm.S
View File

@ -166,6 +166,7 @@ L_SHA256_transform_len_begin:
lwz 29, 52(4)
lwz 30, 56(4)
lwz 31, 60(4)
#ifndef WOLFSSL_PPC32_ASM_SMALL
li 7, 3
mtctr 7
# Start of 16 rounds
@ -1228,6 +1229,720 @@ L_SHA256_transform_len_start:
and 0, 0, 7
xor 0, 0, 10
add 8, 8, 0
subi 6, 6, 0xc0
#else
li 7, 4
mtctr 7
# Start of 16 rounds
L_SHA256_transform_len_start:
# Round 0
rotlwi 0, 12, 26
rotlwi 7, 12, 21
xor 0, 0, 7
rotlwi 7, 12, 7
xor 0, 0, 7
add 15, 15, 0
xor 0, 13, 14
and 0, 0, 12
xor 0, 0, 14
add 15, 15, 0
lwz 0, 0(6)
add 15, 15, 16
add 15, 15, 0
add 11, 11, 15
rotlwi 0, 8, 30
rotlwi 7, 8, 19
xor 0, 0, 7
rotlwi 7, 8, 10
xor 0, 0, 7
add 15, 15, 0
xor 7, 8, 9
xor 0, 9, 10
and 0, 0, 7
xor 0, 0, 9
add 15, 15, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_0
# Calc new W[0]
rotlwi 0, 17, 25
rotlwi 7, 17, 14
xor 0, 0, 7
srwi 7, 17, 3
xor 0, 0, 7
add 16, 16, 0
rotlwi 0, 30, 15
rotlwi 7, 30, 13
xor 0, 0, 7
srwi 7, 30, 10
xor 0, 0, 7
add 16, 16, 0
add 16, 16, 25
L_SHA256_transform_len_after_blk_0:
# Round 1
rotlwi 0, 11, 26
rotlwi 7, 11, 21
xor 0, 0, 7
rotlwi 7, 11, 7
xor 0, 0, 7
add 14, 14, 0
xor 0, 12, 13
and 0, 0, 11
xor 0, 0, 13
add 14, 14, 0
lwz 0, 4(6)
add 14, 14, 17
add 14, 14, 0
add 10, 10, 14
rotlwi 0, 15, 30
rotlwi 7, 15, 19
xor 0, 0, 7
rotlwi 7, 15, 10
xor 0, 0, 7
add 14, 14, 0
xor 7, 15, 8
xor 0, 8, 9
and 0, 0, 7
xor 0, 0, 8
add 14, 14, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_1
# Calc new W[1]
rotlwi 0, 18, 25
rotlwi 7, 18, 14
xor 0, 0, 7
srwi 7, 18, 3
xor 0, 0, 7
add 17, 17, 0
rotlwi 0, 31, 15
rotlwi 7, 31, 13
xor 0, 0, 7
srwi 7, 31, 10
xor 0, 0, 7
add 17, 17, 0
add 17, 17, 26
L_SHA256_transform_len_after_blk_1:
# Round 2
rotlwi 0, 10, 26
rotlwi 7, 10, 21
xor 0, 0, 7
rotlwi 7, 10, 7
xor 0, 0, 7
add 13, 13, 0
xor 0, 11, 12
and 0, 0, 10
xor 0, 0, 12
add 13, 13, 0
lwz 0, 8(6)
add 13, 13, 18
add 13, 13, 0
add 9, 9, 13
rotlwi 0, 14, 30
rotlwi 7, 14, 19
xor 0, 0, 7
rotlwi 7, 14, 10
xor 0, 0, 7
add 13, 13, 0
xor 7, 14, 15
xor 0, 15, 8
and 0, 0, 7
xor 0, 0, 15
add 13, 13, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_2
# Calc new W[2]
rotlwi 0, 19, 25
rotlwi 7, 19, 14
xor 0, 0, 7
srwi 7, 19, 3
xor 0, 0, 7
add 18, 18, 0
rotlwi 0, 16, 15
rotlwi 7, 16, 13
xor 0, 0, 7
srwi 7, 16, 10
xor 0, 0, 7
add 18, 18, 0
add 18, 18, 27
L_SHA256_transform_len_after_blk_2:
# Round 3
rotlwi 0, 9, 26
rotlwi 7, 9, 21
xor 0, 0, 7
rotlwi 7, 9, 7
xor 0, 0, 7
add 12, 12, 0
xor 0, 10, 11
and 0, 0, 9
xor 0, 0, 11
add 12, 12, 0
lwz 0, 12(6)
add 12, 12, 19
add 12, 12, 0
add 8, 8, 12
rotlwi 0, 13, 30
rotlwi 7, 13, 19
xor 0, 0, 7
rotlwi 7, 13, 10
xor 0, 0, 7
add 12, 12, 0
xor 7, 13, 14
xor 0, 14, 15
and 0, 0, 7
xor 0, 0, 14
add 12, 12, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_3
# Calc new W[3]
rotlwi 0, 20, 25
rotlwi 7, 20, 14
xor 0, 0, 7
srwi 7, 20, 3
xor 0, 0, 7
add 19, 19, 0
rotlwi 0, 17, 15
rotlwi 7, 17, 13
xor 0, 0, 7
srwi 7, 17, 10
xor 0, 0, 7
add 19, 19, 0
add 19, 19, 28
L_SHA256_transform_len_after_blk_3:
# Round 4
rotlwi 0, 8, 26
rotlwi 7, 8, 21
xor 0, 0, 7
rotlwi 7, 8, 7
xor 0, 0, 7
add 11, 11, 0
xor 0, 9, 10
and 0, 0, 8
xor 0, 0, 10
add 11, 11, 0
lwz 0, 16(6)
add 11, 11, 20
add 11, 11, 0
add 15, 15, 11
rotlwi 0, 12, 30
rotlwi 7, 12, 19
xor 0, 0, 7
rotlwi 7, 12, 10
xor 0, 0, 7
add 11, 11, 0
xor 7, 12, 13
xor 0, 13, 14
and 0, 0, 7
xor 0, 0, 13
add 11, 11, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_4
# Calc new W[4]
rotlwi 0, 21, 25
rotlwi 7, 21, 14
xor 0, 0, 7
srwi 7, 21, 3
xor 0, 0, 7
add 20, 20, 0
rotlwi 0, 18, 15
rotlwi 7, 18, 13
xor 0, 0, 7
srwi 7, 18, 10
xor 0, 0, 7
add 20, 20, 0
add 20, 20, 29
L_SHA256_transform_len_after_blk_4:
# Round 5
rotlwi 0, 15, 26
rotlwi 7, 15, 21
xor 0, 0, 7
rotlwi 7, 15, 7
xor 0, 0, 7
add 10, 10, 0
xor 0, 8, 9
and 0, 0, 15
xor 0, 0, 9
add 10, 10, 0
lwz 0, 20(6)
add 10, 10, 21
add 10, 10, 0
add 14, 14, 10
rotlwi 0, 11, 30
rotlwi 7, 11, 19
xor 0, 0, 7
rotlwi 7, 11, 10
xor 0, 0, 7
add 10, 10, 0
xor 7, 11, 12
xor 0, 12, 13
and 0, 0, 7
xor 0, 0, 12
add 10, 10, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_5
# Calc new W[5]
rotlwi 0, 22, 25
rotlwi 7, 22, 14
xor 0, 0, 7
srwi 7, 22, 3
xor 0, 0, 7
add 21, 21, 0
rotlwi 0, 19, 15
rotlwi 7, 19, 13
xor 0, 0, 7
srwi 7, 19, 10
xor 0, 0, 7
add 21, 21, 0
add 21, 21, 30
L_SHA256_transform_len_after_blk_5:
# Round 6
rotlwi 0, 14, 26
rotlwi 7, 14, 21
xor 0, 0, 7
rotlwi 7, 14, 7
xor 0, 0, 7
add 9, 9, 0
xor 0, 15, 8
and 0, 0, 14
xor 0, 0, 8
add 9, 9, 0
lwz 0, 24(6)
add 9, 9, 22
add 9, 9, 0
add 13, 13, 9
rotlwi 0, 10, 30
rotlwi 7, 10, 19
xor 0, 0, 7
rotlwi 7, 10, 10
xor 0, 0, 7
add 9, 9, 0
xor 7, 10, 11
xor 0, 11, 12
and 0, 0, 7
xor 0, 0, 11
add 9, 9, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_6
# Calc new W[6]
rotlwi 0, 23, 25
rotlwi 7, 23, 14
xor 0, 0, 7
srwi 7, 23, 3
xor 0, 0, 7
add 22, 22, 0
rotlwi 0, 20, 15
rotlwi 7, 20, 13
xor 0, 0, 7
srwi 7, 20, 10
xor 0, 0, 7
add 22, 22, 0
add 22, 22, 31
L_SHA256_transform_len_after_blk_6:
# Round 7
rotlwi 0, 13, 26
rotlwi 7, 13, 21
xor 0, 0, 7
rotlwi 7, 13, 7
xor 0, 0, 7
add 8, 8, 0
xor 0, 14, 15
and 0, 0, 13
xor 0, 0, 15
add 8, 8, 0
lwz 0, 28(6)
add 8, 8, 23
add 8, 8, 0
add 12, 12, 8
rotlwi 0, 9, 30
rotlwi 7, 9, 19
xor 0, 0, 7
rotlwi 7, 9, 10
xor 0, 0, 7
add 8, 8, 0
xor 7, 9, 10
xor 0, 10, 11
and 0, 0, 7
xor 0, 0, 10
add 8, 8, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_7
# Calc new W[7]
rotlwi 0, 24, 25
rotlwi 7, 24, 14
xor 0, 0, 7
srwi 7, 24, 3
xor 0, 0, 7
add 23, 23, 0
rotlwi 0, 21, 15
rotlwi 7, 21, 13
xor 0, 0, 7
srwi 7, 21, 10
xor 0, 0, 7
add 23, 23, 0
add 23, 23, 16
L_SHA256_transform_len_after_blk_7:
# Round 8
rotlwi 0, 12, 26
rotlwi 7, 12, 21
xor 0, 0, 7
rotlwi 7, 12, 7
xor 0, 0, 7
add 15, 15, 0
xor 0, 13, 14
and 0, 0, 12
xor 0, 0, 14
add 15, 15, 0
lwz 0, 32(6)
add 15, 15, 24
add 15, 15, 0
add 11, 11, 15
rotlwi 0, 8, 30
rotlwi 7, 8, 19
xor 0, 0, 7
rotlwi 7, 8, 10
xor 0, 0, 7
add 15, 15, 0
xor 7, 8, 9
xor 0, 9, 10
and 0, 0, 7
xor 0, 0, 9
add 15, 15, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_8
# Calc new W[8]
rotlwi 0, 25, 25
rotlwi 7, 25, 14
xor 0, 0, 7
srwi 7, 25, 3
xor 0, 0, 7
add 24, 24, 0
rotlwi 0, 22, 15
rotlwi 7, 22, 13
xor 0, 0, 7
srwi 7, 22, 10
xor 0, 0, 7
add 24, 24, 0
add 24, 24, 17
L_SHA256_transform_len_after_blk_8:
# Round 9
rotlwi 0, 11, 26
rotlwi 7, 11, 21
xor 0, 0, 7
rotlwi 7, 11, 7
xor 0, 0, 7
add 14, 14, 0
xor 0, 12, 13
and 0, 0, 11
xor 0, 0, 13
add 14, 14, 0
lwz 0, 36(6)
add 14, 14, 25
add 14, 14, 0
add 10, 10, 14
rotlwi 0, 15, 30
rotlwi 7, 15, 19
xor 0, 0, 7
rotlwi 7, 15, 10
xor 0, 0, 7
add 14, 14, 0
xor 7, 15, 8
xor 0, 8, 9
and 0, 0, 7
xor 0, 0, 8
add 14, 14, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_9
# Calc new W[9]
rotlwi 0, 26, 25
rotlwi 7, 26, 14
xor 0, 0, 7
srwi 7, 26, 3
xor 0, 0, 7
add 25, 25, 0
rotlwi 0, 23, 15
rotlwi 7, 23, 13
xor 0, 0, 7
srwi 7, 23, 10
xor 0, 0, 7
add 25, 25, 0
add 25, 25, 18
L_SHA256_transform_len_after_blk_9:
# Round 10
rotlwi 0, 10, 26
rotlwi 7, 10, 21
xor 0, 0, 7
rotlwi 7, 10, 7
xor 0, 0, 7
add 13, 13, 0
xor 0, 11, 12
and 0, 0, 10
xor 0, 0, 12
add 13, 13, 0
lwz 0, 40(6)
add 13, 13, 26
add 13, 13, 0
add 9, 9, 13
rotlwi 0, 14, 30
rotlwi 7, 14, 19
xor 0, 0, 7
rotlwi 7, 14, 10
xor 0, 0, 7
add 13, 13, 0
xor 7, 14, 15
xor 0, 15, 8
and 0, 0, 7
xor 0, 0, 15
add 13, 13, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_10
# Calc new W[10]
rotlwi 0, 27, 25
rotlwi 7, 27, 14
xor 0, 0, 7
srwi 7, 27, 3
xor 0, 0, 7
add 26, 26, 0
rotlwi 0, 24, 15
rotlwi 7, 24, 13
xor 0, 0, 7
srwi 7, 24, 10
xor 0, 0, 7
add 26, 26, 0
add 26, 26, 19
L_SHA256_transform_len_after_blk_10:
# Round 11
rotlwi 0, 9, 26
rotlwi 7, 9, 21
xor 0, 0, 7
rotlwi 7, 9, 7
xor 0, 0, 7
add 12, 12, 0
xor 0, 10, 11
and 0, 0, 9
xor 0, 0, 11
add 12, 12, 0
lwz 0, 44(6)
add 12, 12, 27
add 12, 12, 0
add 8, 8, 12
rotlwi 0, 13, 30
rotlwi 7, 13, 19
xor 0, 0, 7
rotlwi 7, 13, 10
xor 0, 0, 7
add 12, 12, 0
xor 7, 13, 14
xor 0, 14, 15
and 0, 0, 7
xor 0, 0, 14
add 12, 12, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_11
# Calc new W[11]
rotlwi 0, 28, 25
rotlwi 7, 28, 14
xor 0, 0, 7
srwi 7, 28, 3
xor 0, 0, 7
add 27, 27, 0
rotlwi 0, 25, 15
rotlwi 7, 25, 13
xor 0, 0, 7
srwi 7, 25, 10
xor 0, 0, 7
add 27, 27, 0
add 27, 27, 20
L_SHA256_transform_len_after_blk_11:
# Round 12
rotlwi 0, 8, 26
rotlwi 7, 8, 21
xor 0, 0, 7
rotlwi 7, 8, 7
xor 0, 0, 7
add 11, 11, 0
xor 0, 9, 10
and 0, 0, 8
xor 0, 0, 10
add 11, 11, 0
lwz 0, 48(6)
add 11, 11, 28
add 11, 11, 0
add 15, 15, 11
rotlwi 0, 12, 30
rotlwi 7, 12, 19
xor 0, 0, 7
rotlwi 7, 12, 10
xor 0, 0, 7
add 11, 11, 0
xor 7, 12, 13
xor 0, 13, 14
and 0, 0, 7
xor 0, 0, 13
add 11, 11, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_12
# Calc new W[12]
rotlwi 0, 29, 25
rotlwi 7, 29, 14
xor 0, 0, 7
srwi 7, 29, 3
xor 0, 0, 7
add 28, 28, 0
rotlwi 0, 26, 15
rotlwi 7, 26, 13
xor 0, 0, 7
srwi 7, 26, 10
xor 0, 0, 7
add 28, 28, 0
add 28, 28, 21
L_SHA256_transform_len_after_blk_12:
# Round 13
rotlwi 0, 15, 26
rotlwi 7, 15, 21
xor 0, 0, 7
rotlwi 7, 15, 7
xor 0, 0, 7
add 10, 10, 0
xor 0, 8, 9
and 0, 0, 15
xor 0, 0, 9
add 10, 10, 0
lwz 0, 52(6)
add 10, 10, 29
add 10, 10, 0
add 14, 14, 10
rotlwi 0, 11, 30
rotlwi 7, 11, 19
xor 0, 0, 7
rotlwi 7, 11, 10
xor 0, 0, 7
add 10, 10, 0
xor 7, 11, 12
xor 0, 12, 13
and 0, 0, 7
xor 0, 0, 12
add 10, 10, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_13
# Calc new W[13]
rotlwi 0, 30, 25
rotlwi 7, 30, 14
xor 0, 0, 7
srwi 7, 30, 3
xor 0, 0, 7
add 29, 29, 0
rotlwi 0, 27, 15
rotlwi 7, 27, 13
xor 0, 0, 7
srwi 7, 27, 10
xor 0, 0, 7
add 29, 29, 0
add 29, 29, 22
L_SHA256_transform_len_after_blk_13:
# Round 14
rotlwi 0, 14, 26
rotlwi 7, 14, 21
xor 0, 0, 7
rotlwi 7, 14, 7
xor 0, 0, 7
add 9, 9, 0
xor 0, 15, 8
and 0, 0, 14
xor 0, 0, 8
add 9, 9, 0
lwz 0, 56(6)
add 9, 9, 30
add 9, 9, 0
add 13, 13, 9
rotlwi 0, 10, 30
rotlwi 7, 10, 19
xor 0, 0, 7
rotlwi 7, 10, 10
xor 0, 0, 7
add 9, 9, 0
xor 7, 10, 11
xor 0, 11, 12
and 0, 0, 7
xor 0, 0, 11
add 9, 9, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_14
# Calc new W[14]
rotlwi 0, 31, 25
rotlwi 7, 31, 14
xor 0, 0, 7
srwi 7, 31, 3
xor 0, 0, 7
add 30, 30, 0
rotlwi 0, 28, 15
rotlwi 7, 28, 13
xor 0, 0, 7
srwi 7, 28, 10
xor 0, 0, 7
add 30, 30, 0
add 30, 30, 23
L_SHA256_transform_len_after_blk_14:
# Round 15
rotlwi 0, 13, 26
rotlwi 7, 13, 21
xor 0, 0, 7
rotlwi 7, 13, 7
xor 0, 0, 7
add 8, 8, 0
xor 0, 14, 15
and 0, 0, 13
xor 0, 0, 15
add 8, 8, 0
lwz 0, 60(6)
add 8, 8, 31
add 8, 8, 0
add 12, 12, 8
rotlwi 0, 9, 30
rotlwi 7, 9, 19
xor 0, 0, 7
rotlwi 7, 9, 10
xor 0, 0, 7
add 8, 8, 0
xor 7, 9, 10
xor 0, 10, 11
and 0, 0, 7
xor 0, 0, 10
add 8, 8, 0
mfctr 7
cmpwi 0, 7, 1
beq 0, L_SHA256_transform_len_after_blk_15
# Calc new W[15]
rotlwi 0, 16, 25
rotlwi 7, 16, 14
xor 0, 0, 7
srwi 7, 16, 3
xor 0, 0, 7
add 31, 31, 0
rotlwi 0, 29, 15
rotlwi 7, 29, 13
xor 0, 0, 7
srwi 7, 29, 10
xor 0, 0, 7
add 31, 31, 0
add 31, 31, 24
L_SHA256_transform_len_after_blk_15:
addi 6, 6, 0x40
bdnz L_SHA256_transform_len_start
subi 6, 6, 0x100
#endif /* WOLFSSL_PPC32_ASM_SMALL */
# Add in digest from start
lwz 0, 0(1)
lwz 7, 4(1)
@ -1253,7 +1968,6 @@ L_SHA256_transform_len_start:
stw 13, 20(1)
stw 14, 24(1)
stw 15, 28(1)
subi 6, 6, 0xc0
mtctr 5
addi 4, 4, 0x40
subi 5, 5, 1

733
wolfcrypt/src/port/ppc32/ppc32-sha256-asm_c.c
View File

@ -130,6 +130,7 @@ void Transform_Sha256_Len(wc_Sha256* sha256, const byte* data, word32 len)
"lwz 29, 52(%[data])\n\t"
"lwz 30, 56(%[data])\n\t"
"lwz 31, 60(%[data])\n\t"
#ifndef WOLFSSL_PPC32_ASM_SMALL
"li 7, 3\n\t"
"mtctr 7\n\t"
/* Start of 16 rounds */
@ -1193,6 +1194,737 @@ void Transform_Sha256_Len(wc_Sha256* sha256, const byte* data, word32 len)
"and 0, 0, 7\n\t"
"xor 0, 0, 10\n\t"
"add 8, 8, 0\n\t"
"subi 6, 6, 0xc0\n\t"
#else
"li 7, 4\n\t"
"mtctr 7\n\t"
/* Start of 16 rounds */
"\n"
"L_SHA256_transform_len_start_%=: \n\t"
/* Round 0 */
"rotlwi 0, 12, 26\n\t"
"rotlwi 7, 12, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 12, 7\n\t"
"xor 0, 0, 7\n\t"
"add 15, 15, 0\n\t"
"xor 0, 13, 14\n\t"
"and 0, 0, 12\n\t"
"xor 0, 0, 14\n\t"
"add 15, 15, 0\n\t"
"lwz 0, 0(6)\n\t"
"add 15, 15, 16\n\t"
"add 15, 15, 0\n\t"
"add 11, 11, 15\n\t"
"rotlwi 0, 8, 30\n\t"
"rotlwi 7, 8, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 8, 10\n\t"
"xor 0, 0, 7\n\t"
"add 15, 15, 0\n\t"
"xor 7, 8, 9\n\t"
"xor 0, 9, 10\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 9\n\t"
"add 15, 15, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_0_%=\n\t"
/* Calc new W[0] */
"rotlwi 0, 17, 25\n\t"
"rotlwi 7, 17, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 17, 3\n\t"
"xor 0, 0, 7\n\t"
"add 16, 16, 0\n\t"
"rotlwi 0, 30, 15\n\t"
"rotlwi 7, 30, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 30, 10\n\t"
"xor 0, 0, 7\n\t"
"add 16, 16, 0\n\t"
"add 16, 16, 25\n\t"
"\n"
"L_SHA256_transform_len_after_blk_0_%=: \n\t"
/* Round 1 */
"rotlwi 0, 11, 26\n\t"
"rotlwi 7, 11, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 11, 7\n\t"
"xor 0, 0, 7\n\t"
"add 14, 14, 0\n\t"
"xor 0, 12, 13\n\t"
"and 0, 0, 11\n\t"
"xor 0, 0, 13\n\t"
"add 14, 14, 0\n\t"
"lwz 0, 4(6)\n\t"
"add 14, 14, 17\n\t"
"add 14, 14, 0\n\t"
"add 10, 10, 14\n\t"
"rotlwi 0, 15, 30\n\t"
"rotlwi 7, 15, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 15, 10\n\t"
"xor 0, 0, 7\n\t"
"add 14, 14, 0\n\t"
"xor 7, 15, 8\n\t"
"xor 0, 8, 9\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 8\n\t"
"add 14, 14, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_1_%=\n\t"
/* Calc new W[1] */
"rotlwi 0, 18, 25\n\t"
"rotlwi 7, 18, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 18, 3\n\t"
"xor 0, 0, 7\n\t"
"add 17, 17, 0\n\t"
"rotlwi 0, 31, 15\n\t"
"rotlwi 7, 31, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 31, 10\n\t"
"xor 0, 0, 7\n\t"
"add 17, 17, 0\n\t"
"add 17, 17, 26\n\t"
"\n"
"L_SHA256_transform_len_after_blk_1_%=: \n\t"
/* Round 2 */
"rotlwi 0, 10, 26\n\t"
"rotlwi 7, 10, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 10, 7\n\t"
"xor 0, 0, 7\n\t"
"add 13, 13, 0\n\t"
"xor 0, 11, 12\n\t"
"and 0, 0, 10\n\t"
"xor 0, 0, 12\n\t"
"add 13, 13, 0\n\t"
"lwz 0, 8(6)\n\t"
"add 13, 13, 18\n\t"
"add 13, 13, 0\n\t"
"add 9, 9, 13\n\t"
"rotlwi 0, 14, 30\n\t"
"rotlwi 7, 14, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 14, 10\n\t"
"xor 0, 0, 7\n\t"
"add 13, 13, 0\n\t"
"xor 7, 14, 15\n\t"
"xor 0, 15, 8\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 15\n\t"
"add 13, 13, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_2_%=\n\t"
/* Calc new W[2] */
"rotlwi 0, 19, 25\n\t"
"rotlwi 7, 19, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 19, 3\n\t"
"xor 0, 0, 7\n\t"
"add 18, 18, 0\n\t"
"rotlwi 0, 16, 15\n\t"
"rotlwi 7, 16, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 16, 10\n\t"
"xor 0, 0, 7\n\t"
"add 18, 18, 0\n\t"
"add 18, 18, 27\n\t"
"\n"
"L_SHA256_transform_len_after_blk_2_%=: \n\t"
/* Round 3 */
"rotlwi 0, 9, 26\n\t"
"rotlwi 7, 9, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 9, 7\n\t"
"xor 0, 0, 7\n\t"
"add 12, 12, 0\n\t"
"xor 0, 10, 11\n\t"
"and 0, 0, 9\n\t"
"xor 0, 0, 11\n\t"
"add 12, 12, 0\n\t"
"lwz 0, 12(6)\n\t"
"add 12, 12, 19\n\t"
"add 12, 12, 0\n\t"
"add 8, 8, 12\n\t"
"rotlwi 0, 13, 30\n\t"
"rotlwi 7, 13, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 13, 10\n\t"
"xor 0, 0, 7\n\t"
"add 12, 12, 0\n\t"
"xor 7, 13, 14\n\t"
"xor 0, 14, 15\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 14\n\t"
"add 12, 12, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_3_%=\n\t"
/* Calc new W[3] */
"rotlwi 0, 20, 25\n\t"
"rotlwi 7, 20, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 20, 3\n\t"
"xor 0, 0, 7\n\t"
"add 19, 19, 0\n\t"
"rotlwi 0, 17, 15\n\t"
"rotlwi 7, 17, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 17, 10\n\t"
"xor 0, 0, 7\n\t"
"add 19, 19, 0\n\t"
"add 19, 19, 28\n\t"
"\n"
"L_SHA256_transform_len_after_blk_3_%=: \n\t"
/* Round 4 */
"rotlwi 0, 8, 26\n\t"
"rotlwi 7, 8, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 8, 7\n\t"
"xor 0, 0, 7\n\t"
"add 11, 11, 0\n\t"
"xor 0, 9, 10\n\t"
"and 0, 0, 8\n\t"
"xor 0, 0, 10\n\t"
"add 11, 11, 0\n\t"
"lwz 0, 16(6)\n\t"
"add 11, 11, 20\n\t"
"add 11, 11, 0\n\t"
"add 15, 15, 11\n\t"
"rotlwi 0, 12, 30\n\t"
"rotlwi 7, 12, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 12, 10\n\t"
"xor 0, 0, 7\n\t"
"add 11, 11, 0\n\t"
"xor 7, 12, 13\n\t"
"xor 0, 13, 14\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 13\n\t"
"add 11, 11, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_4_%=\n\t"
/* Calc new W[4] */
"rotlwi 0, 21, 25\n\t"
"rotlwi 7, 21, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 21, 3\n\t"
"xor 0, 0, 7\n\t"
"add 20, 20, 0\n\t"
"rotlwi 0, 18, 15\n\t"
"rotlwi 7, 18, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 18, 10\n\t"
"xor 0, 0, 7\n\t"
"add 20, 20, 0\n\t"
"add 20, 20, 29\n\t"
"\n"
"L_SHA256_transform_len_after_blk_4_%=: \n\t"
/* Round 5 */
"rotlwi 0, 15, 26\n\t"
"rotlwi 7, 15, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 15, 7\n\t"
"xor 0, 0, 7\n\t"
"add 10, 10, 0\n\t"
"xor 0, 8, 9\n\t"
"and 0, 0, 15\n\t"
"xor 0, 0, 9\n\t"
"add 10, 10, 0\n\t"
"lwz 0, 20(6)\n\t"
"add 10, 10, 21\n\t"
"add 10, 10, 0\n\t"
"add 14, 14, 10\n\t"
"rotlwi 0, 11, 30\n\t"
"rotlwi 7, 11, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 11, 10\n\t"
"xor 0, 0, 7\n\t"
"add 10, 10, 0\n\t"
"xor 7, 11, 12\n\t"
"xor 0, 12, 13\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 12\n\t"
"add 10, 10, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_5_%=\n\t"
/* Calc new W[5] */
"rotlwi 0, 22, 25\n\t"
"rotlwi 7, 22, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 22, 3\n\t"
"xor 0, 0, 7\n\t"
"add 21, 21, 0\n\t"
"rotlwi 0, 19, 15\n\t"
"rotlwi 7, 19, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 19, 10\n\t"
"xor 0, 0, 7\n\t"
"add 21, 21, 0\n\t"
"add 21, 21, 30\n\t"
"\n"
"L_SHA256_transform_len_after_blk_5_%=: \n\t"
/* Round 6 */
"rotlwi 0, 14, 26\n\t"
"rotlwi 7, 14, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 14, 7\n\t"
"xor 0, 0, 7\n\t"
"add 9, 9, 0\n\t"
"xor 0, 15, 8\n\t"
"and 0, 0, 14\n\t"
"xor 0, 0, 8\n\t"
"add 9, 9, 0\n\t"
"lwz 0, 24(6)\n\t"
"add 9, 9, 22\n\t"
"add 9, 9, 0\n\t"
"add 13, 13, 9\n\t"
"rotlwi 0, 10, 30\n\t"
"rotlwi 7, 10, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 10, 10\n\t"
"xor 0, 0, 7\n\t"
"add 9, 9, 0\n\t"
"xor 7, 10, 11\n\t"
"xor 0, 11, 12\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 11\n\t"
"add 9, 9, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_6_%=\n\t"
/* Calc new W[6] */
"rotlwi 0, 23, 25\n\t"
"rotlwi 7, 23, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 23, 3\n\t"
"xor 0, 0, 7\n\t"
"add 22, 22, 0\n\t"
"rotlwi 0, 20, 15\n\t"
"rotlwi 7, 20, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 20, 10\n\t"
"xor 0, 0, 7\n\t"
"add 22, 22, 0\n\t"
"add 22, 22, 31\n\t"
"\n"
"L_SHA256_transform_len_after_blk_6_%=: \n\t"
/* Round 7 */
"rotlwi 0, 13, 26\n\t"
"rotlwi 7, 13, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 13, 7\n\t"
"xor 0, 0, 7\n\t"
"add 8, 8, 0\n\t"
"xor 0, 14, 15\n\t"
"and 0, 0, 13\n\t"
"xor 0, 0, 15\n\t"
"add 8, 8, 0\n\t"
"lwz 0, 28(6)\n\t"
"add 8, 8, 23\n\t"
"add 8, 8, 0\n\t"
"add 12, 12, 8\n\t"
"rotlwi 0, 9, 30\n\t"
"rotlwi 7, 9, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 9, 10\n\t"
"xor 0, 0, 7\n\t"
"add 8, 8, 0\n\t"
"xor 7, 9, 10\n\t"
"xor 0, 10, 11\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 10\n\t"
"add 8, 8, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_7_%=\n\t"
/* Calc new W[7] */
"rotlwi 0, 24, 25\n\t"
"rotlwi 7, 24, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 24, 3\n\t"
"xor 0, 0, 7\n\t"
"add 23, 23, 0\n\t"
"rotlwi 0, 21, 15\n\t"
"rotlwi 7, 21, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 21, 10\n\t"
"xor 0, 0, 7\n\t"
"add 23, 23, 0\n\t"
"add 23, 23, 16\n\t"
"\n"
"L_SHA256_transform_len_after_blk_7_%=: \n\t"
/* Round 8 */
"rotlwi 0, 12, 26\n\t"
"rotlwi 7, 12, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 12, 7\n\t"
"xor 0, 0, 7\n\t"
"add 15, 15, 0\n\t"
"xor 0, 13, 14\n\t"
"and 0, 0, 12\n\t"
"xor 0, 0, 14\n\t"
"add 15, 15, 0\n\t"
"lwz 0, 32(6)\n\t"
"add 15, 15, 24\n\t"
"add 15, 15, 0\n\t"
"add 11, 11, 15\n\t"
"rotlwi 0, 8, 30\n\t"
"rotlwi 7, 8, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 8, 10\n\t"
"xor 0, 0, 7\n\t"
"add 15, 15, 0\n\t"
"xor 7, 8, 9\n\t"
"xor 0, 9, 10\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 9\n\t"
"add 15, 15, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_8_%=\n\t"
/* Calc new W[8] */
"rotlwi 0, 25, 25\n\t"
"rotlwi 7, 25, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 25, 3\n\t"
"xor 0, 0, 7\n\t"
"add 24, 24, 0\n\t"
"rotlwi 0, 22, 15\n\t"
"rotlwi 7, 22, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 22, 10\n\t"
"xor 0, 0, 7\n\t"
"add 24, 24, 0\n\t"
"add 24, 24, 17\n\t"
"\n"
"L_SHA256_transform_len_after_blk_8_%=: \n\t"
/* Round 9 */
"rotlwi 0, 11, 26\n\t"
"rotlwi 7, 11, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 11, 7\n\t"
"xor 0, 0, 7\n\t"
"add 14, 14, 0\n\t"
"xor 0, 12, 13\n\t"
"and 0, 0, 11\n\t"
"xor 0, 0, 13\n\t"
"add 14, 14, 0\n\t"
"lwz 0, 36(6)\n\t"
"add 14, 14, 25\n\t"
"add 14, 14, 0\n\t"
"add 10, 10, 14\n\t"
"rotlwi 0, 15, 30\n\t"
"rotlwi 7, 15, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 15, 10\n\t"
"xor 0, 0, 7\n\t"
"add 14, 14, 0\n\t"
"xor 7, 15, 8\n\t"
"xor 0, 8, 9\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 8\n\t"
"add 14, 14, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_9_%=\n\t"
/* Calc new W[9] */
"rotlwi 0, 26, 25\n\t"
"rotlwi 7, 26, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 26, 3\n\t"
"xor 0, 0, 7\n\t"
"add 25, 25, 0\n\t"
"rotlwi 0, 23, 15\n\t"
"rotlwi 7, 23, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 23, 10\n\t"
"xor 0, 0, 7\n\t"
"add 25, 25, 0\n\t"
"add 25, 25, 18\n\t"
"\n"
"L_SHA256_transform_len_after_blk_9_%=: \n\t"
/* Round 10 */
"rotlwi 0, 10, 26\n\t"
"rotlwi 7, 10, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 10, 7\n\t"
"xor 0, 0, 7\n\t"
"add 13, 13, 0\n\t"
"xor 0, 11, 12\n\t"
"and 0, 0, 10\n\t"
"xor 0, 0, 12\n\t"
"add 13, 13, 0\n\t"
"lwz 0, 40(6)\n\t"
"add 13, 13, 26\n\t"
"add 13, 13, 0\n\t"
"add 9, 9, 13\n\t"
"rotlwi 0, 14, 30\n\t"
"rotlwi 7, 14, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 14, 10\n\t"
"xor 0, 0, 7\n\t"
"add 13, 13, 0\n\t"
"xor 7, 14, 15\n\t"
"xor 0, 15, 8\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 15\n\t"
"add 13, 13, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_10_%=\n\t"
/* Calc new W[10] */
"rotlwi 0, 27, 25\n\t"
"rotlwi 7, 27, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 27, 3\n\t"
"xor 0, 0, 7\n\t"
"add 26, 26, 0\n\t"
"rotlwi 0, 24, 15\n\t"
"rotlwi 7, 24, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 24, 10\n\t"
"xor 0, 0, 7\n\t"
"add 26, 26, 0\n\t"
"add 26, 26, 19\n\t"
"\n"
"L_SHA256_transform_len_after_blk_10_%=: \n\t"
/* Round 11 */
"rotlwi 0, 9, 26\n\t"
"rotlwi 7, 9, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 9, 7\n\t"
"xor 0, 0, 7\n\t"
"add 12, 12, 0\n\t"
"xor 0, 10, 11\n\t"
"and 0, 0, 9\n\t"
"xor 0, 0, 11\n\t"
"add 12, 12, 0\n\t"
"lwz 0, 44(6)\n\t"
"add 12, 12, 27\n\t"
"add 12, 12, 0\n\t"
"add 8, 8, 12\n\t"
"rotlwi 0, 13, 30\n\t"
"rotlwi 7, 13, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 13, 10\n\t"
"xor 0, 0, 7\n\t"
"add 12, 12, 0\n\t"
"xor 7, 13, 14\n\t"
"xor 0, 14, 15\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 14\n\t"
"add 12, 12, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_11_%=\n\t"
/* Calc new W[11] */
"rotlwi 0, 28, 25\n\t"
"rotlwi 7, 28, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 28, 3\n\t"
"xor 0, 0, 7\n\t"
"add 27, 27, 0\n\t"
"rotlwi 0, 25, 15\n\t"
"rotlwi 7, 25, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 25, 10\n\t"
"xor 0, 0, 7\n\t"
"add 27, 27, 0\n\t"
"add 27, 27, 20\n\t"
"\n"
"L_SHA256_transform_len_after_blk_11_%=: \n\t"
/* Round 12 */
"rotlwi 0, 8, 26\n\t"
"rotlwi 7, 8, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 8, 7\n\t"
"xor 0, 0, 7\n\t"
"add 11, 11, 0\n\t"
"xor 0, 9, 10\n\t"
"and 0, 0, 8\n\t"
"xor 0, 0, 10\n\t"
"add 11, 11, 0\n\t"
"lwz 0, 48(6)\n\t"
"add 11, 11, 28\n\t"
"add 11, 11, 0\n\t"
"add 15, 15, 11\n\t"
"rotlwi 0, 12, 30\n\t"
"rotlwi 7, 12, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 12, 10\n\t"
"xor 0, 0, 7\n\t"
"add 11, 11, 0\n\t"
"xor 7, 12, 13\n\t"
"xor 0, 13, 14\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 13\n\t"
"add 11, 11, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_12_%=\n\t"
/* Calc new W[12] */
"rotlwi 0, 29, 25\n\t"
"rotlwi 7, 29, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 29, 3\n\t"
"xor 0, 0, 7\n\t"
"add 28, 28, 0\n\t"
"rotlwi 0, 26, 15\n\t"
"rotlwi 7, 26, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 26, 10\n\t"
"xor 0, 0, 7\n\t"
"add 28, 28, 0\n\t"
"add 28, 28, 21\n\t"
"\n"
"L_SHA256_transform_len_after_blk_12_%=: \n\t"
/* Round 13 */
"rotlwi 0, 15, 26\n\t"
"rotlwi 7, 15, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 15, 7\n\t"
"xor 0, 0, 7\n\t"
"add 10, 10, 0\n\t"
"xor 0, 8, 9\n\t"
"and 0, 0, 15\n\t"
"xor 0, 0, 9\n\t"
"add 10, 10, 0\n\t"
"lwz 0, 52(6)\n\t"
"add 10, 10, 29\n\t"
"add 10, 10, 0\n\t"
"add 14, 14, 10\n\t"
"rotlwi 0, 11, 30\n\t"
"rotlwi 7, 11, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 11, 10\n\t"
"xor 0, 0, 7\n\t"
"add 10, 10, 0\n\t"
"xor 7, 11, 12\n\t"
"xor 0, 12, 13\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 12\n\t"
"add 10, 10, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_13_%=\n\t"
/* Calc new W[13] */
"rotlwi 0, 30, 25\n\t"
"rotlwi 7, 30, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 30, 3\n\t"
"xor 0, 0, 7\n\t"
"add 29, 29, 0\n\t"
"rotlwi 0, 27, 15\n\t"
"rotlwi 7, 27, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 27, 10\n\t"
"xor 0, 0, 7\n\t"
"add 29, 29, 0\n\t"
"add 29, 29, 22\n\t"
"\n"
"L_SHA256_transform_len_after_blk_13_%=: \n\t"
/* Round 14 */
"rotlwi 0, 14, 26\n\t"
"rotlwi 7, 14, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 14, 7\n\t"
"xor 0, 0, 7\n\t"
"add 9, 9, 0\n\t"
"xor 0, 15, 8\n\t"
"and 0, 0, 14\n\t"
"xor 0, 0, 8\n\t"
"add 9, 9, 0\n\t"
"lwz 0, 56(6)\n\t"
"add 9, 9, 30\n\t"
"add 9, 9, 0\n\t"
"add 13, 13, 9\n\t"
"rotlwi 0, 10, 30\n\t"
"rotlwi 7, 10, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 10, 10\n\t"
"xor 0, 0, 7\n\t"
"add 9, 9, 0\n\t"
"xor 7, 10, 11\n\t"
"xor 0, 11, 12\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 11\n\t"
"add 9, 9, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_14_%=\n\t"
/* Calc new W[14] */
"rotlwi 0, 31, 25\n\t"
"rotlwi 7, 31, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 31, 3\n\t"
"xor 0, 0, 7\n\t"
"add 30, 30, 0\n\t"
"rotlwi 0, 28, 15\n\t"
"rotlwi 7, 28, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 28, 10\n\t"
"xor 0, 0, 7\n\t"
"add 30, 30, 0\n\t"
"add 30, 30, 23\n\t"
"\n"
"L_SHA256_transform_len_after_blk_14_%=: \n\t"
/* Round 15 */
"rotlwi 0, 13, 26\n\t"
"rotlwi 7, 13, 21\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 13, 7\n\t"
"xor 0, 0, 7\n\t"
"add 8, 8, 0\n\t"
"xor 0, 14, 15\n\t"
"and 0, 0, 13\n\t"
"xor 0, 0, 15\n\t"
"add 8, 8, 0\n\t"
"lwz 0, 60(6)\n\t"
"add 8, 8, 31\n\t"
"add 8, 8, 0\n\t"
"add 12, 12, 8\n\t"
"rotlwi 0, 9, 30\n\t"
"rotlwi 7, 9, 19\n\t"
"xor 0, 0, 7\n\t"
"rotlwi 7, 9, 10\n\t"
"xor 0, 0, 7\n\t"
"add 8, 8, 0\n\t"
"xor 7, 9, 10\n\t"
"xor 0, 10, 11\n\t"
"and 0, 0, 7\n\t"
"xor 0, 0, 10\n\t"
"add 8, 8, 0\n\t"
"mfctr 7\n\t"
"cmpwi 0, 7, 1\n\t"
"beq 0, L_SHA256_transform_len_after_blk_15_%=\n\t"
/* Calc new W[15] */
"rotlwi 0, 16, 25\n\t"
"rotlwi 7, 16, 14\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 16, 3\n\t"
"xor 0, 0, 7\n\t"
"add 31, 31, 0\n\t"
"rotlwi 0, 29, 15\n\t"
"rotlwi 7, 29, 13\n\t"
"xor 0, 0, 7\n\t"
"srwi 7, 29, 10\n\t"
"xor 0, 0, 7\n\t"
"add 31, 31, 0\n\t"
"add 31, 31, 24\n\t"
"\n"
"L_SHA256_transform_len_after_blk_15_%=: \n\t"
"addi 6, 6, 0x40\n\t"
"bdnz L_SHA256_transform_len_start_%=\n\t"
"subi 6, 6, 0x100\n\t"
#endif /* WOLFSSL_PPC32_ASM_SMALL */
/* Add in digest from start */
"lwz 0, 0(1)\n\t"
"lwz 7, 4(1)\n\t"
@ -1218,7 +1950,6 @@ void Transform_Sha256_Len(wc_Sha256* sha256, const byte* data, word32 len)
"stw 13, 20(1)\n\t"
"stw 14, 24(1)\n\t"
"stw 15, 28(1)\n\t"
"subi 6, 6, 0xc0\n\t"
"mtctr %[len]\n\t"
"addi %[data], %[data], 0x40\n\t"
"subi %[len], %[len], 1\n\t"