52ba72f341
* cranelift: Add `iabs.i128` runtest * riscv64: Fix incorrect extension in iabs When lowering iabs, we were accidentally comparing the unextended value this caused the instruction to misbehave with certain top bits. This commit also adds a zbb lowering that does not use jumps.
51 lines
660 B
Plaintext
51 lines
660 B
Plaintext
test compile precise-output
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target riscv64 has_zbb=true
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function %iabs_i8(i8) -> i8 {
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block0(v0: i8):
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v1 = iabs v0
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return v1
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}
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; block0:
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; sext.b t2,a0
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; sub a1,zero,t2
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; max a0,t2,a1
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; ret
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function %iabs_i16(i16) -> i16 {
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block0(v0: i16):
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v1 = iabs v0
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return v1
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}
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; block0:
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; sext.h t2,a0
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; sub a1,zero,t2
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; max a0,t2,a1
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; ret
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function %iabs_i32(i32) -> i32 {
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block0(v0: i32):
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v1 = iabs v0
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return v1
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}
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; block0:
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; sext.w t2,a0
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; sub a1,zero,t2
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; max a0,t2,a1
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; ret
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function %iabs_i64(i64) -> i64 {
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block0(v0: i64):
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v1 = iabs v0
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return v1
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}
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; block0:
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; sub t2,zero,a0
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; max a0,a0,t2
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; ret
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