AArch64: port tls_value to ISLE. (#4821)

2022-08-30 09:51:15 -07:00
parent b033aba61b
commit 1a59b3e6c6
7 changed files with 26 additions and 40 deletions
--- a/cranelift/codegen/src/isa/aarch64/inst/emit.rs
+++ b/cranelift/codegen/src/isa/aarch64/inst/emit.rs
@@ -3191,7 +3191,10 @@ impl MachInstEmit for Inst {
                }
            }

-            &Inst::ElfTlsGetAddr { ref symbol } => {
+            &Inst::ElfTlsGetAddr { ref symbol, rd } => {
+                let rd = allocs.next_writable(rd);
+                assert_eq!(xreg(0), rd.to_reg());
+
                // This is the instruction sequence that GCC emits for ELF GD TLS Relocations in aarch64
                // See: https://gcc.godbolt.org/z/KhMh5Gvra