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PPC32 ASM: Use condition register #10740

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132 changes: 36 additions & 96 deletions wolfcrypt/src/port/ppc32/ppc32-sha256-asm.S
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Original file line number Diff line number Diff line change
Expand Up @@ -3661,6 +3661,8 @@ L_SHA256_transform_len_begin:
mtctr 0
# Start of 16 rounds
L_SHA256_transform_len_start:
mfctr 5
cmpwi 7, 5, 1
# Round 0
rotlwi 0, 11, 26
rotlwi 5, 11, 21
Expand All @@ -3687,9 +3689,7 @@ L_SHA256_transform_len_start:
and 0, 0, 5
xor 0, 0, 8
add 15, 15, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_0
beq 7, L_SHA256_transform_len_after_blk_0
# Calc new W[0]
rotlwi 0, 17, 25
rotlwi 5, 17, 14
Expand Down Expand Up @@ -3731,9 +3731,7 @@ L_SHA256_transform_len_after_blk_0:
and 0, 0, 5
xor 0, 0, 7
add 14, 14, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_1
beq 7, L_SHA256_transform_len_after_blk_1
# Calc new W[1]
rotlwi 0, 18, 25
rotlwi 5, 18, 14
Expand Down Expand Up @@ -3775,9 +3773,7 @@ L_SHA256_transform_len_after_blk_1:
and 0, 0, 5
xor 0, 0, 15
add 12, 12, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_2
beq 7, L_SHA256_transform_len_after_blk_2
# Calc new W[2]
rotlwi 0, 19, 25
rotlwi 5, 19, 14
Expand Down Expand Up @@ -3819,9 +3815,7 @@ L_SHA256_transform_len_after_blk_2:
and 0, 0, 5
xor 0, 0, 14
add 11, 11, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_3
beq 7, L_SHA256_transform_len_after_blk_3
# Calc new W[3]
rotlwi 0, 20, 25
rotlwi 5, 20, 14
Expand Down Expand Up @@ -3863,9 +3857,7 @@ L_SHA256_transform_len_after_blk_3:
and 0, 0, 5
xor 0, 0, 12
add 10, 10, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_4
beq 7, L_SHA256_transform_len_after_blk_4
# Calc new W[4]
rotlwi 0, 21, 25
rotlwi 5, 21, 14
Expand Down Expand Up @@ -3907,9 +3899,7 @@ L_SHA256_transform_len_after_blk_4:
and 0, 0, 5
xor 0, 0, 11
add 9, 9, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_5
beq 7, L_SHA256_transform_len_after_blk_5
# Calc new W[5]
rotlwi 0, 22, 25
rotlwi 5, 22, 14
Expand Down Expand Up @@ -3951,9 +3941,7 @@ L_SHA256_transform_len_after_blk_5:
and 0, 0, 5
xor 0, 0, 10
add 8, 8, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_6
beq 7, L_SHA256_transform_len_after_blk_6
# Calc new W[6]
rotlwi 0, 23, 25
rotlwi 5, 23, 14
Expand Down Expand Up @@ -3995,9 +3983,7 @@ L_SHA256_transform_len_after_blk_6:
and 0, 0, 5
xor 0, 0, 9
add 7, 7, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_7
beq 7, L_SHA256_transform_len_after_blk_7
# Calc new W[7]
rotlwi 0, 24, 25
rotlwi 5, 24, 14
Expand Down Expand Up @@ -4039,9 +4025,7 @@ L_SHA256_transform_len_after_blk_7:
and 0, 0, 5
xor 0, 0, 8
add 15, 15, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_8
beq 7, L_SHA256_transform_len_after_blk_8
# Calc new W[8]
rotlwi 0, 25, 25
rotlwi 5, 25, 14
Expand Down Expand Up @@ -4083,9 +4067,7 @@ L_SHA256_transform_len_after_blk_8:
and 0, 0, 5
xor 0, 0, 7
add 14, 14, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_9
beq 7, L_SHA256_transform_len_after_blk_9
# Calc new W[9]
rotlwi 0, 26, 25
rotlwi 5, 26, 14
Expand Down Expand Up @@ -4127,9 +4109,7 @@ L_SHA256_transform_len_after_blk_9:
and 0, 0, 5
xor 0, 0, 15
add 12, 12, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_10
beq 7, L_SHA256_transform_len_after_blk_10
# Calc new W[10]
rotlwi 0, 27, 25
rotlwi 5, 27, 14
Expand Down Expand Up @@ -4171,9 +4151,7 @@ L_SHA256_transform_len_after_blk_10:
and 0, 0, 5
xor 0, 0, 14
add 11, 11, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_11
beq 7, L_SHA256_transform_len_after_blk_11
# Calc new W[11]
rotlwi 0, 28, 25
rotlwi 5, 28, 14
Expand Down Expand Up @@ -4215,9 +4193,7 @@ L_SHA256_transform_len_after_blk_11:
and 0, 0, 5
xor 0, 0, 12
add 10, 10, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_12
beq 7, L_SHA256_transform_len_after_blk_12
# Calc new W[12]
rotlwi 0, 29, 25
rotlwi 5, 29, 14
Expand Down Expand Up @@ -4259,9 +4235,7 @@ L_SHA256_transform_len_after_blk_12:
and 0, 0, 5
xor 0, 0, 11
add 9, 9, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_13
beq 7, L_SHA256_transform_len_after_blk_13
# Calc new W[13]
rotlwi 0, 30, 25
rotlwi 5, 30, 14
Expand Down Expand Up @@ -4303,9 +4277,7 @@ L_SHA256_transform_len_after_blk_13:
and 0, 0, 5
xor 0, 0, 10
add 8, 8, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_14
beq 7, L_SHA256_transform_len_after_blk_14
# Calc new W[14]
rotlwi 0, 31, 25
rotlwi 5, 31, 14
Expand Down Expand Up @@ -4347,9 +4319,7 @@ L_SHA256_transform_len_after_blk_14:
and 0, 0, 5
xor 0, 0, 9
add 7, 7, 0
mfctr 5
cmpwi 0, 5, 1
beq 0, L_SHA256_transform_len_after_blk_15
beq 7, L_SHA256_transform_len_after_blk_15
# Calc new W[15]
rotlwi 0, 16, 25
rotlwi 5, 16, 14
Expand Down Expand Up @@ -6897,6 +6867,8 @@ L_SHA256_transform_len_begin:
mtctr 3
# Start of 16 rounds
L_SHA256_transform_len_start:
mfctr 5
cmpwi 7, 5, 1
# Round 0
rotlwi 3, 9, 26
rotlwi 5, 9, 21
Expand All @@ -6923,9 +6895,7 @@ L_SHA256_transform_len_start:
and 3, 3, 5
xor 3, 3, 4
add 12, 12, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_0
beq 7, L_SHA256_transform_len_after_blk_0
# Calc new W[0]
rotlwi 3, 15, 25
rotlwi 5, 15, 14
Expand Down Expand Up @@ -6967,9 +6937,7 @@ L_SHA256_transform_len_after_blk_0:
and 3, 3, 5
xor 3, 3, 0
add 11, 11, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_1
beq 7, L_SHA256_transform_len_after_blk_1
# Calc new W[1]
rotlwi 3, 16, 25
rotlwi 5, 16, 14
Expand Down Expand Up @@ -7011,9 +6979,7 @@ L_SHA256_transform_len_after_blk_1:
and 3, 3, 5
xor 3, 3, 12
add 10, 10, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_2
beq 7, L_SHA256_transform_len_after_blk_2
# Calc new W[2]
rotlwi 3, 17, 25
rotlwi 5, 17, 14
Expand Down Expand Up @@ -7055,9 +7021,7 @@ L_SHA256_transform_len_after_blk_2:
and 3, 3, 5
xor 3, 3, 11
add 9, 9, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_3
beq 7, L_SHA256_transform_len_after_blk_3
# Calc new W[3]
rotlwi 3, 18, 25
rotlwi 5, 18, 14
Expand Down Expand Up @@ -7099,9 +7063,7 @@ L_SHA256_transform_len_after_blk_3:
and 3, 3, 5
xor 3, 3, 10
add 8, 8, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_4
beq 7, L_SHA256_transform_len_after_blk_4
# Calc new W[4]
rotlwi 3, 19, 25
rotlwi 5, 19, 14
Expand Down Expand Up @@ -7143,9 +7105,7 @@ L_SHA256_transform_len_after_blk_4:
and 3, 3, 5
xor 3, 3, 9
add 7, 7, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_5
beq 7, L_SHA256_transform_len_after_blk_5
# Calc new W[5]
rotlwi 3, 20, 25
rotlwi 5, 20, 14
Expand Down Expand Up @@ -7187,9 +7147,7 @@ L_SHA256_transform_len_after_blk_5:
and 3, 3, 5
xor 3, 3, 8
add 4, 4, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_6
beq 7, L_SHA256_transform_len_after_blk_6
# Calc new W[6]
rotlwi 3, 21, 25
rotlwi 5, 21, 14
Expand Down Expand Up @@ -7231,9 +7189,7 @@ L_SHA256_transform_len_after_blk_6:
and 3, 3, 5
xor 3, 3, 7
add 0, 0, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_7
beq 7, L_SHA256_transform_len_after_blk_7
# Calc new W[7]
rotlwi 3, 22, 25
rotlwi 5, 22, 14
Expand Down Expand Up @@ -7275,9 +7231,7 @@ L_SHA256_transform_len_after_blk_7:
and 3, 3, 5
xor 3, 3, 4
add 12, 12, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_8
beq 7, L_SHA256_transform_len_after_blk_8
# Calc new W[8]
rotlwi 3, 23, 25
rotlwi 5, 23, 14
Expand Down Expand Up @@ -7319,9 +7273,7 @@ L_SHA256_transform_len_after_blk_8:
and 3, 3, 5
xor 3, 3, 0
add 11, 11, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_9
beq 7, L_SHA256_transform_len_after_blk_9
# Calc new W[9]
rotlwi 3, 24, 25
rotlwi 5, 24, 14
Expand Down Expand Up @@ -7363,9 +7315,7 @@ L_SHA256_transform_len_after_blk_9:
and 3, 3, 5
xor 3, 3, 12
add 10, 10, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_10
beq 7, L_SHA256_transform_len_after_blk_10
# Calc new W[10]
rotlwi 3, 25, 25
rotlwi 5, 25, 14
Expand Down Expand Up @@ -7407,9 +7357,7 @@ L_SHA256_transform_len_after_blk_10:
and 3, 3, 5
xor 3, 3, 11
add 9, 9, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_11
beq 7, L_SHA256_transform_len_after_blk_11
# Calc new W[11]
rotlwi 3, 26, 25
rotlwi 5, 26, 14
Expand Down Expand Up @@ -7451,9 +7399,7 @@ L_SHA256_transform_len_after_blk_11:
and 3, 3, 5
xor 3, 3, 10
add 8, 8, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_12
beq 7, L_SHA256_transform_len_after_blk_12
# Calc new W[12]
rotlwi 3, 27, 25
rotlwi 5, 27, 14
Expand Down Expand Up @@ -7495,9 +7441,7 @@ L_SHA256_transform_len_after_blk_12:
and 3, 3, 5
xor 3, 3, 9
add 7, 7, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_13
beq 7, L_SHA256_transform_len_after_blk_13
# Calc new W[13]
rotlwi 3, 28, 25
rotlwi 5, 28, 14
Expand Down Expand Up @@ -7539,9 +7483,7 @@ L_SHA256_transform_len_after_blk_13:
and 3, 3, 5
xor 3, 3, 8
add 4, 4, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_14
beq 7, L_SHA256_transform_len_after_blk_14
# Calc new W[14]
rotlwi 3, 29, 25
rotlwi 5, 29, 14
Expand Down Expand Up @@ -7583,9 +7525,7 @@ L_SHA256_transform_len_after_blk_14:
and 3, 3, 5
xor 3, 3, 7
add 0, 0, 3
mfctr 5
cmpwi 3, 5, 1
beq 3, L_SHA256_transform_len_after_blk_15
beq 7, L_SHA256_transform_len_after_blk_15
# Calc new W[15]
rotlwi 3, 14, 25
rotlwi 5, 14, 14
Expand Down
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