Does this patch look all right?
In gen_vla_sp_restore, use X30 rather than get_reg.
diff --git a/arm64-gen.c b/arm64-gen.c
index 8276451..f9f9581 100644
--- a/arm64-gen.c
+++ b/arm64-gen.c
@@ -1826,7 +1826,10 @@ ST_FUNC void gen_vla_sp_save(int addr) {
}
ST_FUNC void gen_vla_sp_restore(int addr) {
- uint32_t r = intr(get_reg(RC_INT));
+ // Use x30 because this function can be called when there
+ // is a live return value in x0 but there is nothing on
+ // the value stack to prevent get_reg from returning x0.
+ uint32_t r = 30;
arm64_ldrx(0, 3, r, 29, addr);
o(0x9100001f | r << 5); // mov sp,x(r)
}
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