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test/codegen: add a test for negation and conversion to int32

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Codify the current code generation used on riscv64 in this case.

Change-Id: If4152e3652fc19d0aa28b79dba08abee2486d5ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/652317
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Joel Sing 2025-02-24 23:24:42 +11:00
parent e1f9013a58
commit a8f2e63f2f
1 changed files with 6 additions and 0 deletions
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6
test/codegen/arithmetic.go
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@ -173,6 +173,12 @@ func AddAddSubSimplify(a, b, c int) int {
return r
}
func NegToInt32(a int) int {
// riscv64: "NEG","MOVW"
r := int(int32(-a))
return r
}
// -------------------- //
// Multiplication //
// -------------------- //