global sha2_compression:
    JUMPDEST
    // stack: message_schedule_addr, retdest
    push 0
    // stack: i=0, message_schedule_addr, retdest
    swap1
    // stack: message_schedule_addr, i=0, retdest
    push 0
    // stack: 0, message_schedule_addr, i=0, retdest
    %mload_kernel_general
    // stack: num_blocks, message_schedule_addr, i=0, retdest
    dup1
    // stack: num_blocks, num_blocks, message_schedule_addr, i=0, retdest
    %scratch_space_addr_from_num_blocks
    // stack: scratch_space_addr, num_blocks, message_schedule_addr, i=0, retdest
    swap1
    // stack: num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(28)
    %mload_kernel_code_u32
    // stack: h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(24)
    %mload_kernel_code_u32
    // stack: g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(20)
    %mload_kernel_code_u32
    // stack: f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(16)
    %mload_kernel_code_u32
    // stack: e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(12)
    %mload_kernel_code_u32
    // stack: d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(8)
    %mload_kernel_code_u32
    // stack: c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %add_const(4)
    %mload_kernel_code_u32
    // stack: b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    push sha2_constants_h
    %mload_kernel_code_u32
    // stack: a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
sha2_compression_start_block:
    // Store the current values of the working variables, as the "initial values" to be added back in at the end of this block.
    JUMPDEST
    dup10
    // stack: scratch_space_addr, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest

    dup2
    dup2
    // stack: scratch_space_addr, a[0], scratch_space_addr, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+4, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest

    dup3
    dup2
    // stack: scratch_space_addr+4, b[0], scratch_space_addr+4, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+4, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    
    dup4
    dup2
    // stack: scratch_space_addr+8, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+12, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    
    dup5
    dup2
    // stack: scratch_space_addr+12, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+12, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+16, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    
    dup6
    dup2
    // stack: scratch_space_addr+16, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+16, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+20, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    
    dup7
    dup2
    // stack: scratch_space_addr+20, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+20, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+24, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    
    dup8
    dup2
    // stack: scratch_space_addr+24, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+24, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %add_const(4)
    // stack: scratch_space_addr+28, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest

    dup9
    dup2
    // stack: scratch_space_addr+28, c[0], scratch_space_addr+8, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    %mstore_kernel_general_u32
    // stack: scratch_space_addr+28, a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
    pop
    // stack: a[0], b[0], c[0], d[0], e[0], f[0], g[0], h[0], num_blocks, scratch_space_addr, message_schedule_addr, i=0, retdest
sha2_compression_loop:
    // Update the eight working variables, using the next constant K[i] and the next message schedule chunk W[i].
    JUMPDEST
    // stack: a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup11
    // stack: message_schedule_addr, a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup13
    // stack: i, message_schedule_addr, a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %mul_const(4)
    // stack: 4*i, message_schedule_addr, a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    add
    // stack: message_schedule_addr + 4*i, a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %mload_kernel_general_u32
    // stack: W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    push sha2_constants_k
    // stack: sha2_constants_k, W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup14
    // stack: i, sha2_constants_k, W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %mul_const(4)
    // stack: 4*i, sha2_constants_k, W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    add
    // stack: sha2_constants_k + 4*i, W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %mload_kernel_code_u32
    // stack: K[i], W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    // stack: h[i], K[i], W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    // stack: g[i], h[i], K[i], W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    // stack: f[i], g[i], h[i], K[i], W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    // stack: e[i], f[i], g[i], h[i], K[i], W[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %sha2_temp_word1
    // stack: T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup4
    // stack: c[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup4
    // stack: b[i], c[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup4
    // stack: a[i], b[i], c[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %sha2_temp_word2
    // stack: T2[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup6
    // stack: d[i], T2[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup3
    // stack: T1[i], d[i], T2[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: e[i+1]=T1[i]+d[i], T2[i], T1[i], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap2
    // stack: T2[i], T1[i], e[i+1], a[i], b[i], c[i], d[i], e[i], f[i], g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: a[i+1]=T1[i]+T2[i], e[i+1], b[i+1]=a[i], c[i+1]=b[i], d[i+1]=c[i], d[i], f[i+1]=e[i], g[i+1]=f[i], h[i+1]=g[i], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap1
    // stack: e[i+1], a[i+1], b[i+1], c[i+1], d[i+1], d[i], f[i+1], g[i+1], h[i+1], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap5
    // stack: d[i], a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    pop
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], h[i], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap8
    // stack: h[i], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], a[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    pop
    // stack: b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], a[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap7
    // stack: a[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], b[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap1
    swap7
    swap1
    // stack: a[i+1], b[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], c[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap2
    swap7
    swap2
    // stack: a[i+1], b[i+1], c[i+1], e[i+1], f[i+1], g[i+1], h[i+1], d[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap3
    swap7
    swap3
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], f[i+1], g[i+1], h[i+1], e[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap4
    swap7
    swap4
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], g[i+1], h[i+1], f[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap5
    swap7
    swap5
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], h[i+1], g[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap6
    swap7
    swap6
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup12
    // stack: i, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %increment
    // stack: i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup1
    // stack: i+1, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %eq_const(64)
    // stack: i+1==64, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup1
    // stack: i+1==64, i+1==64, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup12
    // stack: num_blocks, i+1==64, i+1==64, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    sub
    // stack: num_blocks new, i+1==64, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap13
    // stack: message_schedule_addr, i+1==64, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, num_blocks new, i, retdest
    swap1
    // stack: i+1==64, message_schedule_addr, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, num_blocks new, i, retdest
    push 256
    mul
    // stack: (i+1==64)*256, message_schedule_addr, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, num_blocks new, i, retdest
    add
    // stack: message_schedule_addr new, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, num_blocks new, i, retdest
    swap12
    // stack: num_blocks new, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks, scratch_space_addr, message_schedule_addr new, i, retdest
    swap10
    // stack: num_blocks, i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, i, new_retdest
    pop
    // stack: i+1, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, i, new_retdest
    push 64
    swap1
    mod
    // stack: (i+1)%64, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, i, retdest
    swap12
    // stack: i, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, (i+1)%64, retdest
    pop
    // stack: a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, (i+1)%64, retdest
    dup12
    // stack: (i+1)%64, a[i+1], b[i+1], c[i+1], d[i+1], e[i+1], f[i+1], g[i+1], h[i+1], num_blocks new, scratch_space_addr, message_schedule_addr new, (i+1)%64, retdest
    //dup10
    //iszero
    //dup2
    //iszero
    //and
    //%jumpi(sha2_stop_lol)
    iszero
    %jumpi(sha2_compression_end_block)
    %jump(sha2_compression_loop)
sha2_compression_end_block:
    // Add the initial values of the eight working variables (from the start of this block's compression) back into them.
    JUMPDEST
    // stack: a[64], b[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    // stack: scratch_space_addr, a[64], b[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %mload_kernel_general_u32
    // stack: a[0], a[64], b[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: a[0]+a[64], b[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap1
    // stack: b[64], a[0]+a[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(4)
    %mload_kernel_general_u32
    // stack: b[0], b[64], a[0]+a[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: b[0]+b[64], a[0]+a[64], c[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap2
    // stack: c[64], a[0]+a[64], b[0]+b[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(8)
    %mload_kernel_general_u32
    // stack: c[0], c[64], a[0]+a[64], b[0]+b[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: c[0]+c[64], a[0]+a[64], b[0]+b[64], d[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap3
    // stack: d[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(12)
    %mload_kernel_general_u32
    // stack: d[0], d[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: d[0]+d[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], e[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap4
    // stack: e[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(16)
    %mload_kernel_general_u32
    // stack: e[0], e[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: e[0]+e[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], f[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap5
    // stack: f[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(20)
    %mload_kernel_general_u32
    // stack: f[0], f[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: f[0]+f[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], g[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap6
    // stack: g[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(24)
    %mload_kernel_general_u32
    // stack: g[0], g[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: g[0]+g[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], h[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap7
    // stack: h[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    dup10
    %add_const(28)
    %mload_kernel_general_u32
    // stack: h[0], h[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    %add_u32
    // stack: h[0]+h[64], a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], num_blocks, scratch_space_addr, message_schedule_addr, i, retdest
    swap8
    // stack: num_blocks, a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64], scratch_space_addr, message_schedule_addr, i, retdest
    dup1
    // stack: num_blocks, num_blocks, a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64], scratch_space_addr, message_schedule_addr, i, retdest
    iszero
    // In this case, we've finished all the blocks.
    %jumpi(sha2_compression_end)
    // stack: num_blocks, a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64], scratch_space_addr, message_schedule_addr, i, retdest
    // TODO: "insertion" macro for the below
    // Move num_blocks to the ninth spot on the stack, past the working variables.
    swap1
    swap2
    swap1
    swap2
    swap3
    swap2
    swap3
    swap4
    swap3
    swap4
    swap5
    swap4
    swap5
    swap6
    swap5
    swap6
    swap7
    swap6
    swap7
    swap8
    swap7
    swap8
    %jump(sha2_compression_start_block)
sha2_compression_end:
    JUMPDEST
    // stack: num_blocks, a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64], scratch_space_addr, message_schedule_addr, i, retdest
    pop
    // stack: a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64], scratch_space_addr, message_schedule_addr, i, retdest
    %shl_const(32)
    or
    %shl_const(32)
    or
    %shl_const(32)
    or
    %shl_const(32)
    or
    %shl_const(32)
    or
    %shl_const(32)
    or
    %shl_const(32)
    or
    // stack: concat(a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64]), scratch_space_addr, message_schedule_addr, i, retdest
    swap3
    // stack: i, scratch_space_addr, message_schedule_addr, concat(a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64]), retdest
    %pop3
    // stack: sha2_result = concat(a[0]+a[64], b[0]+b[64], c[0]+c[64], d[0]+d[64], e[0]+e[64], f[0]+f[64], g[0]+g[64], h[0]+h[64]), retdest
    STOP