From: kub <derkub@gmail.com>
Date: Wed, 16 Jun 2021 21:07:22 +0000 (+0200)
Subject: sh2 drc, some small cleanups
X-Git-Tag: v2.00~508
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5275d43aaab913682554402a4d95011ecd424ce0;p=picodrive.git

sh2 drc, some small cleanups
---

diff --git a/cpu/sh2/compiler.c b/cpu/sh2/compiler.c
index 08b2c80f..549e4763 100644
--- a/cpu/sh2/compiler.c
+++ b/cpu/sh2/compiler.c
@@ -68,7 +68,6 @@
 // 200 - compare trace
 // 400 - block entry backtrace on exit
 // 800 - state dump on exit
-// {
 #ifndef DRC_DEBUG
 #define DRC_DEBUG 0//x847
 #endif
@@ -218,7 +217,7 @@ static void REGPARM(3) *sh2_drc_log_entry(void *block, SH2 *sh2, u32 sr)
   if (block != NULL) {
 #if defined PDB
     dbg(8, "= %csh2 enter %08x %p, c=%d", sh2->is_slave?'s':'m',
-      sh2->pc, block, (signed int)sr >> 12);
+      sh2->pc, block, ((signed int)sr >> 12)+1);
     pdb_step(sh2, sh2->pc);
 #elif (DRC_DEBUG & 8)
     if (lastpc != sh2->pc) {
@@ -2612,10 +2611,6 @@ static uptr split_address(uptr la, uptr mask, s32 *offs)
   uptr sign = (mask>>1) + 1; // sign bit in offset
   *offs = (la & mask) | (la & sign ? ~mask : 0); // offset part, sign extended
   la = (la & ~mask) + ((la & sign) << 1); // base part, corrected for offs sign
-  if (~mask && la == ~mask && *offs > 0) { // special case la=-1&~mask && offs>0
-    *offs -= mask+1;
-    la = 0;
-  }
   return la;
 }
 
@@ -5013,7 +5008,7 @@ end_op:
         // can't resolve branch locally, make a block exit
         bl = dr_prepare_ext_branch(block->entryp, target_pc, sh2->is_slave, tcache_id);
         if (cond != -1) {
-#if 1
+#ifndef __arm__
           if (bl && blx_target_count < ARRAY_SIZE(blx_targets)) {
             // conditional jumps get a blx stub for the far jump
             bl->type = BL_JCCBLX;