CHAPTER 44. C99 RESTRICT CHAPTER 44. C99 RESTRICT
Listing 44.1: GCC x64: f1()f1:
push r15 r14 r13 r12 rbp rdi rsi rbx
mov r13, QWORD PTR 120[rsp]
mov rbp, QWORD PTR 104[rsp]
mov r12, QWORD PTR 112[rsp]
test r13, r13
je .L1
add r13, 1
xor ebx, ebx
mov edi, 1
xor r11d, r11d
jmp .L4
.L6:
mov r11, rdi
mov rdi, rax
.L4:
lea rax, 0[0+r114]
lea r10, [rcx+rax]
lea r14, [rdx+rax]
lea rsi, [r8+rax]
add rax, r9
mov r15d, DWORD PTR [r10]
add r15d, DWORD PTR [r14]
mov DWORD PTR [rsi], r15d ; store to sum[]
mov r10d, DWORD PTR [r10]
imul r10d, DWORD PTR [r14]
mov DWORD PTR [rax], r10d ; store to product[]
mov DWORD PTR [r12+r114], ebx ; store to update_me[]
add ebx, 123
mov r10d, DWORD PTR [rsi] ; reload sum[i]
add r10d, DWORD PTR [rax] ; reload product[i]
lea rax, 1[rdi]
cmp rax, r13
mov DWORD PTR 0[rbp+r11*4], r10d ; store to sum_product[]
jne .L6
.L1:
pop rbx rsi rdi rbp r12 r13 r14 r15
ret
Listing 44.2: GCC x64: f2()f2:
push r13 r12 rbp rdi rsi rbx
mov r13, QWORD PTR 104[rsp]
mov rbp, QWORD PTR 88[rsp]
mov r12, QWORD PTR 96[rsp]
test r13, r13
je .L7
add r13, 1
xor r10d, r10d
mov edi, 1
xor eax, eax
jmp .L10
.L11:
mov rax, rdi
mov rdi, r11
.L10:
mov esi, DWORD PTR [rcx+rax4]
mov r11d, DWORD PTR [rdx+rax4]
mov DWORD PTR [r12+rax4], r10d ; store to update_me[]
add r10d, 123
lea ebx, [rsi+r11]
imul r11d, esi
mov DWORD PTR [r8+rax4], ebx ; store to sum[]
mov DWORD PTR [r9+rax4], r11d ; store to product[]
add r11d, ebx
mov DWORD PTR 0[rbp+rax4], r11d ; store to sum_product[]
lea r11, 1[rdi]
cmp r11, r13