https://git.ruby-lang.org/ruby.git/commit/?id=5512353d97

From 5512353d97250e85c13bf10b9b32e750478cf474 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Wed, 21 Apr 2021 12:35:32 -0700
Subject: Remove reverse VM instruction

This was previously only used by the multiple assignment code, but
is no longer needed after the multiple assignment execution order
fix.
---
 insns.def | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/insns.def b/insns.def
index 5704bf4..aab53e3 100644
--- a/insns.def
+++ b/insns.def
@@ -592,25 +592,6 @@ swap https://github.com/ruby/ruby/blob/trunk/insns.def#L592
     /* none */
 }
 
-/* reverse stack top N order. */
-DEFINE_INSN
-reverse
-(rb_num_t n)
-(...)
-(...)
-// attr rb_snum_t sp_inc = 0;
-{
-    rb_num_t i;
-    VALUE *sp = STACK_ADDR_FROM_TOP(n);
-
-    for (i=0; i<n/2; i++) {
-	VALUE v0 = sp[i];
-	VALUE v1 = TOPN(i);
-	sp[i] = v1;
-	TOPN(i) = v0;
-    }
-}
-
 /* for stack caching. */
 DEFINE_INSN_IF(STACK_CACHING)
 reput
-- 
cgit v1.1


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