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Rollup merge of #90796 - Amanieu:remove_reg_thumb, r=joshtriplett

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Remove the reg_thumb register class for asm! on ARM

Also restricts r8-r14 from being used on Thumb1 targets as per #90736.

cc ``@Lokathor``

r? ``@joshtriplett``
This commit is contained in:
Matthias Krüger 2021-12-09 05:08:32 +01:00 committed by GitHub
commit 10a9b1202b
1 changed files with 2 additions and 5 deletions
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7
src/asm.rs
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@ -568,7 +568,6 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) => unimplemented!(),
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg_thumb) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low16)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low8) => unimplemented!(),
@ -628,8 +627,7 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl
| InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => {
unimplemented!()
}
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg_thumb) => cx.type_i32(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg)=> cx.type_i32(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16) => cx.type_f32(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg)
@ -737,8 +735,7 @@ fn modifier_to_gcc(arch: InlineAsmArch, reg: InlineAsmRegClass, modifier: Option
| InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => {
unimplemented!()
}
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg_thumb) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg)