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add details for csky-unknown-linux-gnuabiv2 and add docs

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Dirreke
2023-07-19 22:33:34 +08:00
committed by dirreke
parent 9e5fb333f7
commit 184a9afffb
8 changed files with 145 additions and 56 deletions
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48
compiler/rustc_target/src/asm/csky.rs
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@@ -36,8 +36,8 @@ impl CSKYInlineAsmRegClass {
_arch: InlineAsmArch,
) -> &'static [(InlineAsmType, Option<Symbol>)] {
match self {
Self::reg => types! { _: I8, I16, I32, I64, F32, F64; },
Self::freg => types! { _: F32, F64; },
Self::reg => types! { _: I8, I16, I32; },
Self::freg => types! { _: F32; },
}
}
}
@@ -52,31 +52,21 @@ def_regs! {
r4: reg = ["r4","l0"],
r5: reg = ["r5","l1"],
r6: reg = ["r6","l2"],
// r7: reg = ["r7","l3"],
// r8: reg = ["r8","l4"],
// r9: reg = ["r9","l5"],
// r10: reg = ["r10","l6"],
// r11: reg = ["r11","l7"],
// r12: reg = ["r12","t0"],
// r13: reg = ["r13","t1"],
// r14: reg = ["r14","sp"],
// r15: reg = ["r15","lr"],
// r16: reg = ["r16","l8"],
// r17: reg = ["r17","l9"],
// r18: reg = ["r18","t2"],
// r19: reg = ["r19","t3"],
// r20: reg = ["r20","t4"],
// r21: reg = ["r21","t5"],
// r22: reg = ["r22","t6"],
// r23: reg = ["r23","t7", "fp"],
// r24: reg = ["r24","t8", "sop"],
// r25: reg = ["r25","tp", "bsp"],
// r26: reg = ["r26"],
// r27: reg = ["r27"],
// r28: reg = ["r28","gb", "rgb", "rdb"],
// r29: reg = ["r29","tb", "rtb"],
// r30: reg = ["r30","svbr"],
// r31: reg = ["r31","tls"],
r9: reg = ["r9","l5"],// feature e2
r10: reg = ["r10","l6"],// feature e2
r11: reg = ["r11","l7"],// feature e2
r12: reg = ["r12","t0"],// feature e2
r13: reg = ["r13","t1"],// feature e2
r16: reg = ["r16","l8"],// feature high-register
r17: reg = ["r17","l9"],// feature high-register
r18: reg = ["r18","t2"],// feature high-register
r19: reg = ["r19","t3"],// feature high-register
r20: reg = ["r20","t4"],// feature high-register
r21: reg = ["r21","t5"],// feature high-register
r22: reg = ["r22","t6"],// feature high-register
r23: reg = ["r23","t7", "fp"],// feature high-register
r24: reg = ["r24","t8", "sop"],// feature high-register
r25: reg = ["r25","t9","tp", "bsp"],// feature high-register
f0: freg = ["fr0","vr0"],
f1: freg = ["fr1","vr1"],
f2: freg = ["fr2","vr2"],
@@ -121,10 +111,6 @@ def_regs! {
"reserver for tls",
#error = ["r28", "gb", "rgb", "rdb"] =>
"the global pointer cannot be used as an operand for inline asm",
#error = ["r9","l5", "r10","l6", "r11","l7", "r12","t0", "r13","t1"] =>
"reserved (no E2)",
#error = ["r16","l8", "r17","l9", "r18","t2", "r19","t3", "r20","t4", "r21","t5", "r22","t6", "r23","t7", "fp", "r24","t8", "sop", "r25","tp", "bsp"] =>
"reserved (no HighRegisters)",
#error = ["r26","r27","r29","tb", "rtb", "r30","svbr"] =>
"reserved by the ABI",
}