Add support for output operand in asm goto

libgccjit.version

@@ -1 +1 @@
-d98bd412c7fb6bf8f2258e75f2e2b42f56a06bc1
+2f06e64df0dc15f861f77595b77bfc2ba5deb59d

src/asm.rs

@@ -592,6 +592,12 @@ impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
             self.llbb().add_eval(None, self.context.new_call(None, builtin_unreachable, &[]));
         }
 
+        if !options.contains(InlineAsmOptions::NORETURN)
+            && let Some(dest) = dest
+        {
+            self.switch_to_block(dest);
+        }
+
         // Write results to outputs.
         //
         // We need to do this because:

tests/run/asm.rs

@@ -3,6 +3,8 @@
 // Run-time:
 //   status: 0
 
+#![feature(asm_goto_with_outputs)]
+
 #[cfg(target_arch = "x86_64")]
 use std::arch::{asm, global_asm};
 
@@ -32,6 +34,20 @@ pub unsafe fn mem_cpy(dst: *mut u8, src: *const u8, len: usize) {
     );
 }
 
+#[cfg(target_arch = "x86_64")]
+#[unsafe(no_mangle)]
+pub fn asm_goto_test(mut a: i16) -> i16 {
+    unsafe {
+        std::arch::asm!(
+            "jmp {op}",
+            inout("eax") a,
+            op = label { a = 7; },
+            options(nostack,nomem)
+        );
+        a
+    }
+}
+
 #[cfg(target_arch = "x86_64")]
 fn asm() {
     unsafe {
@@ -235,6 +251,8 @@ fn asm() {
             out("r15b") _,
         );
     }
+
+    asm_goto_test(0);
 }
 
 #[cfg(not(target_arch = "x86_64"))]