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YJIT: Respect destination num_bits on STUR (#6848)

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Takashi Kokubun 2022-12-01 16:13:38 -08:00 committed by GitHub
parent 8ffa8fc192
commit dcbea7671b
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GPG Key ID: 4AEE18F83AFDEB23
Notes: git 2022-12-02 00:14:03 +00:00 
Merged-By: k0kubun <takashikkbn@gmail.com>
1 changed files with 7 additions and 2 deletions
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9
yjit/src/asm/arm64/mod.rs
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@ -906,7 +906,7 @@ pub fn stur(cb: &mut CodeBlock, rt: A64Opnd, rn: A64Opnd) {
assert!(rn.num_bits == 32 || rn.num_bits == 64); assert!(rn.num_bits == 32 || rn.num_bits == 64);
assert!(mem_disp_fits_bits(rn.disp), "Expected displacement to be 9 bits or less"); assert!(mem_disp_fits_bits(rn.disp), "Expected displacement to be 9 bits or less");
LoadStore::stur(rt.reg_no, rn.base_reg_no, rn.disp as i16, rt.num_bits).into() LoadStore::stur(rt.reg_no, rn.base_reg_no, rn.disp as i16, rn.num_bits).into()
}, },
_ => panic!("Invalid operand combination to stur instruction.") _ => panic!("Invalid operand combination to stur instruction.")
}; };
@ -1499,10 +1499,15 @@ mod tests {
} }
#[test] #[test]
fn test_stur() { fn test_stur_64_bits() {
check_bytes("6a0108f8", |cb| stur(cb, X10, A64Opnd::new_mem(64, X11, 128))); check_bytes("6a0108f8", |cb| stur(cb, X10, A64Opnd::new_mem(64, X11, 128)));
} }
#[test]
fn test_stur_32_bits() {
check_bytes("6a0108b8", |cb| stur(cb, X10, A64Opnd::new_mem(32, X11, 128)));
}
#[test] #[test]
fn test_sub_reg() { fn test_sub_reg() {
check_bytes("200002cb", |cb| sub(cb, X0, X1, X2)); check_bytes("200002cb", |cb| sub(cb, X0, X1, X2));