From: kub <derkub@gmail.com>
Date: Thu, 15 Apr 2021 22:18:58 +0000 (+0200)
Subject: sh2 drc, tiny optimization for x86
X-Git-Tag: v2.00~553
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75aba9cc656ba7ae26df5c09e7ef46f209dcbda0;p=picodrive.git

sh2 drc, tiny optimization for x86
---

diff --git a/cpu/sh2/compiler.c b/cpu/sh2/compiler.c
index 8a46f431..1adfe838 100644
--- a/cpu/sh2/compiler.c
+++ b/cpu/sh2/compiler.c
@@ -2661,6 +2661,10 @@ static int emit_get_rbase_and_offs(SH2 *sh2, sh2_reg_e r, int rmode, s32 *offs)
   } else {
     // known fixed host address
     la = split_address(la + ((a + *offs) & mask), omask, offs);
+    if (la == 0) {
+      la = *offs;
+      *offs = 0;
+    }
     hr = rcache_get_tmp();
     emith_move_r_ptr_imm(hr, la);
   }