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authorTaiki Endo <te316e89@gmail.com>2024-09-21 01:51:26 +0900
committerTaiki Endo <te316e89@gmail.com>2024-09-21 01:51:26 +0900
commitfa125e2be682e22cf0c2a005a08d7fef2520cefa (patch)
tree49c7e1cb82d2d8bafa1e799cc3718a77f5aa712e /compiler/rustc_codegen_gcc/src
parent1a5a2240bc1b8cf0bcce7acb946c78d6493a4fd3 (diff)
downloadrust-fa125e2be682e22cf0c2a005a08d7fef2520cefa.tar.gz
rust-fa125e2be682e22cf0c2a005a08d7fef2520cefa.zip
Support clobber_abi and vector/access registers (clobber-only) in s390x inline assembly
Diffstat (limited to 'compiler/rustc_codegen_gcc/src')
-rw-r--r--compiler/rustc_codegen_gcc/src/asm.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/src/asm.rs b/compiler/rustc_codegen_gcc/src/asm.rs
index 13a00f7e08d..a04cd4735f4 100644
--- a/compiler/rustc_codegen_gcc/src/asm.rs
+++ b/compiler/rustc_codegen_gcc/src/asm.rs
@@ -682,6 +682,11 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
             InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r",
             InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg_addr) => "a",
             InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f",
+            InlineAsmRegClass::S390x(
+                S390xInlineAsmRegClass::vreg | S390xInlineAsmRegClass::areg,
+            ) => {
+                unreachable!("clobber-only")
+            }
             InlineAsmRegClass::Err => unreachable!(),
         },
     };
@@ -757,6 +762,9 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl
             S390xInlineAsmRegClass::reg | S390xInlineAsmRegClass::reg_addr,
         ) => cx.type_i32(),
         InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(),
+        InlineAsmRegClass::S390x(S390xInlineAsmRegClass::vreg | S390xInlineAsmRegClass::areg) => {
+            unreachable!("clobber-only")
+        }
         InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(),
         InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(),
         InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(),