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more optimizations

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This commit is contained in:
Nicholas Ward 2023-02-27 15:29:23 -08:00
parent 29df451d9d
commit 424d8d2216
1 changed files with 7 additions and 24 deletions
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31
evm/src/cpu/kernel/asm/hash/sha2/message_schedule.asm
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@ -59,10 +59,9 @@ gen_message_schedule_from_block_0_loop:
gen_message_schedule_from_block_0_end:
// stack: old counter=0, output_addr, block[0], block[1], retdest
POP
PUSH 8
// stack: counter=8, output_addr, block[0], block[1], retdest
%stack (counter, out, b0, b1) -> (out, counter, b1, b0)
// stack: output_addr, counter, block[1], block[0], retdest
// stack: output_addr, block[0], block[1], retdest
%stack (out, b0, b1) -> (out, 8, b1, b0)
// stack: output_addr, counter=8, block[1], block[0], retdest
%add_const(64)
// stack: output_addr + 64, counter, block[1], block[0], retdest
SWAP1
@ -114,11 +113,7 @@ gen_message_schedule_remaining_loop:
// stack: output_addr, counter, block[0], block[1], retdest
DUP1
// stack: output_addr, output_addr, counter, block[0], block[1], retdest
PUSH 2
PUSH 4
MUL
SWAP1
SUB
%sub_const(8)
// stack: output_addr - 2*4, output_addr, counter, block[0], block[1], retdest
%mload_kernel_general_u32
// stack: x[output_addr - 2*4], output_addr, counter, block[0], block[1], retdest
@ -128,11 +123,7 @@ gen_message_schedule_remaining_loop:
// stack: output_addr, sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
DUP1
// stack: output_addr, output_addr, sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
PUSH 7
PUSH 4
MUL
SWAP1
SUB
%sub_const(28)
// stack: output_addr - 7*4, output_addr, sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
%mload_kernel_general_u32
// stack: x[output_addr - 7*4], output_addr, sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
@ -140,11 +131,7 @@ gen_message_schedule_remaining_loop:
// stack: output_addr, x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
DUP1
// stack: output_addr, output_addr, x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
PUSH 15
PUSH 4
MUL
SWAP1
SUB
%sub_const(60)
// stack: output_addr - 15*4, output_addr, x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
%mload_kernel_general_u32
// stack: x[output_addr - 15*4], output_addr, x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
@ -154,11 +141,7 @@ gen_message_schedule_remaining_loop:
// stack: output_addr, sigma_0(x[output_addr - 15*4]), x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
DUP1
// stack: output_addr, output_addr, sigma_0(x[output_addr - 15*4]), x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
PUSH 16
PUSH 4
MUL
SWAP1
SUB
%sub_const(64)
// stack: output_addr - 16*4, output_addr, sigma_0(x[output_addr - 15*4]), x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest
%mload_kernel_general_u32
// stack: x[output_addr - 16*4], output_addr, sigma_0(x[output_addr - 15*4]), x[output_addr - 7*4], sigma_1(x[output_addr - 2*4]), counter, block[0], block[1], retdest