assem_arm.c: Use ARMv6 instructions if possible

Replace HAVE_ARMv7 with HAVE_ARMv6 if the instructions are supported by ARMv6.
uxth, sxth and sxtb are present under ARMv6: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473k/dom1361289925707.html

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 9ee832e..6853e9e 100644 (file)
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -1285,7 +1285,7 @@ void emit_andimm(int rs,int imm,int rt)
     assem_debug("bic %s,%s,#%d\n",regname[rt],regname[rs],imm);
     output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|armval);
   }else if(imm==65535) {
-    #ifndef HAVE_ARMV7
+    #ifndef HAVE_ARMV6
     assem_debug("bic %s,%s,#FF000000\n",regname[rt],regname[rs]);
     output_w32(0xe3c00000|rd_rn_rm(rt,rs,0)|0x4FF);
     assem_debug("bic %s,%s,#00FF0000\n",regname[rt],regname[rt]);
@@ -1418,7 +1418,7 @@ void emit_shrdimm(int rs,int rs2,u_int imm,int rt)
 
 void emit_signextend16(int rs,int rt)
 {
-  #ifndef HAVE_ARMV7
+  #ifndef HAVE_ARMV6
   emit_shlimm(rs,16,rt);
   emit_sarimm(rt,16,rt);
   #else
@@ -1429,7 +1429,7 @@ void emit_signextend16(int rs,int rt)
 
 void emit_signextend8(int rs,int rt)
 {
-  #ifndef HAVE_ARMV7
+  #ifndef HAVE_ARMV6
   emit_shlimm(rs,24,rt);
   emit_sarimm(rt,24,rt);
   #else