b077854b57
Modify return pseudo-instructions to have pairs of registers: virtual and real. This allows us to constrain the virtual registers to the real ones specified by the abi, instead of directly emitting moves to those real registers.
53 lines
1.1 KiB
Plaintext
53 lines
1.1 KiB
Plaintext
test compile precise-output
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target x86_64
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function %f0(i64, i64) -> i64, i64 {
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block0(v0: i64, v1: i64):
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v2 = load.i64 v1
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v3 = icmp eq v0, v2
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v4 = uextend.i64 v3
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v5 = select.i64 v3, v0, v1
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return v4, v5
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}
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; pushq %rbp
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; movq %rsp, %rbp
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; block0:
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; movq 0(%rsi), %r9
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; cmpq %r9, %rdi
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; setz %r10b
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; movzbq %r10b, %rax
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; cmpq %r9, %rdi
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; movq %rsi, %rdx
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; cmovzq %rdi, %rdx, %rdx
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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function %f1(f64, i64) -> i64, f64 {
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block0(v0: f64, v1: i64):
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v2 = load.f64 v1
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v3 = fcmp eq v0, v2
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v4 = uextend.i64 v3
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v5 = select.f64 v3, v0, v0
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return v4, v5
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}
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; pushq %rbp
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; movq %rsp, %rbp
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; block0:
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; movsd 0(%rdi), %xmm9
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; ucomisd %xmm9, %xmm0
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; setnp %dil
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; setz %al
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; andl %edi, %eax, %edi
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; movzbq %dil, %rax
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; ucomisd %xmm0, %xmm9
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; movdqa %xmm0, %xmm2
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; mov z, sd; j%xmm2 $next; mov%xmm0 %xmm0, %xmm0; $next:
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; mov np, sd; j%xmm2 $next; mov%xmm0 %xmm0, %xmm0; $next:
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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