diff options
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/asm.rs | 9 | ||||
| -rw-r--r-- | src/doc/unstable-book/src/library-features/asm.md | 1 |
2 files changed, 9 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index ebc3773df57..43538b8ab35 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -302,7 +302,14 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { "~{flags}".to_string(), ]); } - InlineAsmArch::RiscV32 | InlineAsmArch::RiscV64 => {} + InlineAsmArch::RiscV32 | InlineAsmArch::RiscV64 => { + constraints.extend_from_slice(&[ + "~{vtype}".to_string(), + "~{vl}".to_string(), + "~{vxsat}".to_string(), + "~{vxrm}".to_string(), + ]); + } InlineAsmArch::Nvptx64 => {} InlineAsmArch::PowerPC | InlineAsmArch::PowerPC64 => {} InlineAsmArch::Hexagon => {} diff --git a/src/doc/unstable-book/src/library-features/asm.md b/src/doc/unstable-book/src/library-features/asm.md index 8ff600d5334..539499cc568 100644 --- a/src/doc/unstable-book/src/library-features/asm.md +++ b/src/doc/unstable-book/src/library-features/asm.md @@ -842,6 +842,7 @@ The compiler performs some additional checks on options: - Floating-point status (`FPSR` register). - RISC-V - Floating-point exception flags in `fcsr` (`fflags`). + - Vector extension state (`vtype`, `vl`, `vcsr`). - On x86, the direction flag (DF in `EFLAGS`) is clear on entry to an asm block and must be clear on exit. - Behavior is undefined if the direction flag is set on exiting an asm block. - The requirement of restoring the stack pointer and non-output registers to their original value only applies when exiting an `asm!` block. |