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started on using %stack in sha2 asm

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This commit is contained in:
Nicholas Ward 2022-09-09 12:05:21 -07:00
parent fa3436b1a0
commit 2e3366d110
1 changed files with 14 additions and 28 deletions
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42
evm/src/cpu/kernel/asm/sha2/ops.asm
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@ -24,9 +24,7 @@
// stack: rot, value, rot, value
shr
// stack: value >> rot, rot, value
swap2
// stack: value, rot, value >> rot
swap1
%stack (shifted, rot, value) -> (rot, value, shifted)
// stack: rot, value, value >> rot
push 32
sub
@ -55,9 +53,7 @@
// stack: 32 - rot, value, rot, value
shr
// stack: value >> (32 - rot), rot, value
swap2
// stack: value, rot, value >> (32 - rot)
swap1
%stack (shifted, rot, value) -> (rot, value, shifted)
// stack: rot, value, value >> (32 - rot)
shl
// stack: value << rot, value >> (32 - rot)
@ -79,9 +75,7 @@
push 7
%rotr
// stack: rotr(x, 7), x
swap1
// stack: x, rotr(x, 7)
dup1
%stack (rotated, x) -> (x, x, rotated)
// stack: x, x, rotr(x, 7)
push 18
%rotr
@ -102,9 +96,7 @@
push 17
%rotr
// stack: rotr(x, 17), x
swap1
// stack: x, rotr(x, 17)
dup1
%stack (rotated, x) -> (x, x, rotated)
// stack: x, x, rotr(x, 17)
push 19
%rotr
@ -125,9 +117,7 @@
push 2
%rotr
// stack: rotr(x, 2), x
swap1
// stack: x, rotr(x, 2)
dup1
%stack (rotated, x) -> (x, x, rotated)
// stack: x, x, rotr(x, 2)
push 13
%rotr
@ -148,9 +138,7 @@
push 6
%rotr
// stack: rotr(x, 6), x
swap1
// stack: x, rotr(x, 6)
dup1
%stack (rotated, x) -> (x, x, rotated)
// stack: x, x, rotr(x, 6)
push 11
%rotr
@ -168,18 +156,16 @@
// stack: x, y, z
dup1
// stack: x, x, y, z
swap2
// stack: y, x, x, z
and
// stack: x and y, x, z
swap2
// stack: z, x, x and y
swap1
// stack: x, z, x and y
not
// stack: not x, z, x and y
// stack: not x, x, y, z
%stack (notx, x, y, z) -> (notx, z, x, y)
// stack: not x, z, x, y
and
// stack: (not x) and z, x and y
// stack: (not x) and z, x, y
%stack (nxz, x, y) -> (x, y, nxz)
// stack: x, y, (not x) and z
and
// stack: x and y, (not x) and z
or
%endmacro