e15c332471
For large constants with the low 12 bits clear, we already have the "lui" encoding. Add "addi %x0" encodings for signed 12-bit constants.
22 lines
518 B
Plaintext
22 lines
518 B
Plaintext
test verifier
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isa riscv
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function %RV32I(i32 link [%x1]) -> i32 link [%x1] {
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fn0 = function %foo()
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ebb0(v9999: i32):
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; iconst.i32 needs legalizing, so it should throw a
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[R#0,-] v1 = iconst.i32 0xf0f0f0f0f0 ; error: Instruction failed to re-encode
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return v9999
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}
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function %RV32I(i32 link [%x1]) -> i32 link [%x1] {
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fn0 = function %foo()
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ebb0(v9999: i32):
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v1 = iconst.i32 1
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v2 = iconst.i32 2
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[R#0,-] v3 = iadd v1, v2 ; error: Instruction re-encoding
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return v9999
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}
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