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Be stricter about rejecting LLVM reserved registers in asm!

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Amanieu d'Antras
2021-04-28 16:28:59 +01:00
parent 154858c430
commit e6a731eb90
10 changed files with 59 additions and 25 deletions
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3
compiler/rustc_target/src/asm/arm.rs
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@@ -98,7 +98,6 @@ def_regs! {
r5: reg, reg_thumb = ["r5", "v2"],
r7: reg, reg_thumb = ["r7", "v4"] % frame_pointer_r7,
r8: reg = ["r8", "v5"],
r9: reg = ["r9", "v6", "rfp"],
r10: reg = ["r10", "sl"],
r11: reg = ["r11", "fp"] % frame_pointer_r11,
r12: reg = ["r12", "ip"],
@@ -185,6 +184,8 @@ def_regs! {
q15: qreg = ["q15"],
#error = ["r6", "v3"] =>
"r6 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["r9", "v6", "rfp"] =>
"r9 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["r13", "sp"] =>
"the stack pointer cannot be used as an operand for inline asm",
#error = ["r15", "pc"] =>