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Improve CRBit display

This commit is contained in:
Luke Street 2022-10-09 21:41:34 -04:00
parent 94c87b0912
commit ca92a30920
2 changed files with 18 additions and 9 deletions
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13
disasm/src/lib.rs
View File

@ -108,7 +108,18 @@ field_arg!(SPR, u16);
// Condition register field.
field_arg!(CRField, u8, "cr{}");
// Condition register bit (index + condition case).
field_arg!(CRBit, u8, "{}");
field_arg_no_display!(CRBit, u8);
impl Display for CRBit {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let cr = self.0 >> 2;
let cc = self.0 & 3;
if cr != 0 {
write!(f, "4*{}+", CRField(cr))?;
}
const CR_NAMES: [&str; 4] = ["lt", "gt", "eq", "so"];
f.write_str(CR_NAMES[cc as usize])
}
}
// Paired-single graphics quantization register
field_arg!(GQR, u8, "qr{}");
// Unsigned immediate.

14
disasm/tests/test_disasm.rs
View File

@ -149,11 +149,10 @@ fn test_ins_cmp() {
assert_asm!(0x7C030000, "cmpw r3, r0");
}
/*
#[test]
fn test_ins_cmpi() {
assert_asm!(0x2C050D00, "cmpwi r5, 0xd00");
assert_asm!(0x2F1F0000, "cmpwi cr6, r31, 0");
assert_asm!(0x2F1F0000, "cmpwi cr6, r31, 0x0");
}
#[test]
@ -166,7 +165,6 @@ fn test_ins_cmpli() {
assert_asm!(0x2803FFF3, "cmplwi r3, 0xfff3");
assert_asm!(0x2884F8F0, "cmplwi cr1, r4, 0xf8f0");
}
*/
#[test]
fn test_ins_cntlzw() {
@ -175,7 +173,7 @@ fn test_ins_cntlzw() {
#[test]
fn test_ins_cror() {
assert_asm!(0x4C411382, "cror 2, 1, 2");
assert_asm!(0x4C411382, "cror eq, gt, eq");
}
#[test]
@ -516,14 +514,14 @@ fn test_ins_mtcrf() {
assert_asm!(0x7C6FF120, "mtcrf 255, r3");
}
/*
#[test]
fn test_ins_mtfsb0() {}
*/
fn test_ins_mtfsb0() {
assert_asm!(0xFFA0008C, "mtfsb0 4*cr7+gt")
}
#[test]
fn test_ins_mtfsb1() {
assert_asm!(0xFFA0004C, "mtfsb1 29");
assert_asm!(0xFFA0004C, "mtfsb1 4*cr7+gt");
}
#[test]