mirrors/Bochs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Eliminate return statement (for future code optimization)

Browse Source
This commit is contained in:
Stanislav Shwartsman 2008-07-13 15:52:55 +00:00
parent 6970eaa5cb
commit b0b50e942c
1 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
bochs/cpu/bit64.cc
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: bit64.cc,v 1.13 2008-07-13 15:35:09 sshwarts Exp $
// $Id: bit64.cc,v 1.14 2008-07-13 15:52:55 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -49,20 +49,20 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSF_GqEq(bxInstruction_c *i)
if (op2_64 == 0) {
assert_ZF(); /* op1_64 undefined */
return;
}
else {
op1_64 = 0;
while ((op2_64 & 0x01) == 0) {
op1_64++;
op2_64 >>= 1;
}
op1_64 = 0;
while ((op2_64 & 0x01) == 0) {
op1_64++;
op2_64 >>= 1;
SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
clear_ZF();
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), op1_64);
}
SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
clear_ZF();
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), op1_64);
}
void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSR_GqEq(bxInstruction_c *i)
@ -82,20 +82,20 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSR_GqEq(bxInstruction_c *i)
if (op2_64 == 0) {
assert_ZF(); /* op1_64 undefined */
return;
}
else {
op1_64 = 63;
while ((op2_64 & BX_CONST64(0x8000000000000000)) == 0) {
op1_64--;
op2_64 <<= 1;
}
op1_64 = 63;
while ((op2_64 & BX_CONST64(0x8000000000000000)) == 0) {
op1_64--;
op2_64 <<= 1;
SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
clear_ZF();
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), op1_64);
}
SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
clear_ZF();
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), op1_64);
}
void BX_CPP_AttrRegparmN(1) BX_CPU_C::BT_EqGqM(bxInstruction_c *i)