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ruby-changes:69281

From: John <ko1@a...>
Date: Thu, 21 Oct 2021 08:23:18 +0900 (JST)
Subject: [ruby-changes:69281] 561882e96e (master): Add comment explaining argc + 2

https://git.ruby-lang.org/ruby.git/commit/?id=561882e96e

From 561882e96ee5d1d7486512d566ffb6d5bf6817a1 Mon Sep 17 00:00:00 2001
From: John Hawthorn <john@h...>
Date: Mon, 20 Sep 2021 11:43:37 -0700
Subject: Add comment explaining argc + 2

---
 yjit_codegen.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/yjit_codegen.c b/yjit_codegen.c
index c056b1c216..fed7714cc9 100644
--- a/yjit_codegen.c
+++ b/yjit_codegen.c
@@ -4141,6 +4141,7 @@ gen_invokebuiltin(jitstate_t *jit, ctx_t *ctx) https://github.com/ruby/ruby/blob/trunk/yjit_codegen.c#L4141
 {
     const struct rb_builtin_function *bf = (struct rb_builtin_function *)jit_get_arg(jit, 0);
 
+    // ec, self, and arguments
     if (bf->argc + 2 > NUM_C_ARG_REGS) {
         return YJIT_CANT_COMPILE;
     }
@@ -4178,6 +4179,7 @@ gen_opt_invokebuiltin_delegate(jitstate_t *jit, ctx_t *ctx) https://github.com/ruby/ruby/blob/trunk/yjit_codegen.c#L4179
     const struct rb_builtin_function *bf = (struct rb_builtin_function *)jit_get_arg(jit, 0);
     int32_t start_index = (int32_t)jit_get_arg(jit, 1);
 
+    // ec, self, and arguments
     if (bf->argc + 2 > NUM_C_ARG_REGS) {
         return YJIT_CANT_COMPILE;
     }
-- 
cgit v1.2.1


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