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.
77 lines
1.2 KiB
Plaintext
77 lines
1.2 KiB
Plaintext
test compile precise-output
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target x86_64
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function %f1(i8x16) -> i8 {
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block0(v0: i8x16):
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v1 = vhigh_bits.i8 v0
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return v1
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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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; pmovmskb %xmm0, %eax
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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function %f2(i8x16) -> i16 {
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block0(v0: i8x16):
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v1 = vhigh_bits.i16 v0
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return v1
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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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; pmovmskb %xmm0, %eax
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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function %f3(i16x8) -> i8 {
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block0(v0: i16x8):
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v1 = vhigh_bits.i8 v0
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return v1
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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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; movdqa %xmm0, %xmm2
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; packsswb %xmm2, %xmm0, %xmm2
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; pmovmskb %xmm2, %eax
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; shrq $8, %rax, %rax
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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function %f4(i32x4) -> i8 {
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block0(v0: i32x4):
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v1 = vhigh_bits.i8 v0
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return v1
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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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; movmskps %xmm0, %eax
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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function %f5(i64x2) -> i8 {
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block0(v0: i64x2):
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v1 = vhigh_bits.i8 v0
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return v1
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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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; movmskpd %xmm0, %eax
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; movq %rbp, %rsp
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; popq %rbp
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; ret
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