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Fix compilation of x86emu with gcc 4.6.x 

gcc 4.6 complains about unused but set variables in x86emu.
Particularly some variables are always set but only used in
debug mode, or when FPU support is enabled.

Change-Id: Ic53bd2303171ab717eb2d2c0ed72744d3eb6989e
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/258
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
This commit is contained in:
Stefan Reinauer 2011-10-04 10:34:37 -07:00 committed by Stefan Reinauer
parent b6b8871dd3
commit d17fe51d9a
4 changed files with 30 additions and 18 deletions
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6
src/devices/oprom/x86emu/debug.h
View File

@ -198,6 +198,12 @@
#define DB(x)
#endif
#ifdef DEBUG
#define X86EMU_DEBUG_ONLY(x) x
#else
#define X86EMU_DEBUG_ONLY(x) X86EMU_UNUSED(x)
#endif
/*-------------------------- Function Prototypes --------------------------*/
#ifdef __cplusplus

32
src/devices/oprom/x86emu/fpu.c
View File

@ -50,6 +50,12 @@ void x86emuOp_esc_coprocess_d8(u8 X86EMU_UNUSED(op1))
END_OF_INSTR_NO_TRACE();
}
#ifdef X86EMU_FPU_PRESENT
#define X86EMU_FPU_ONLY(x) x
#else
#define X86EMU_FPU_ONLY(x) X86EMU_UNUSED(x)
#endif
#ifdef DEBUG
static const char *x86emu_fpu_op_d9_tab[] = {
@ -95,8 +101,8 @@ static const char *x86emu_fpu_op_d9_tab1[] = {
void x86emuOp_esc_coprocess_d9(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -322,8 +328,8 @@ static const char *x86emu_fpu_op_da_tab[] = {
void x86emuOp_esc_coprocess_da(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -403,7 +409,7 @@ static const char *x86emu_fpu_op_db_tab[] = {
void x86emuOp_esc_coprocess_db(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
uint X86EMU_FPU_ONLY(destoffset);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -530,8 +536,8 @@ static const char *x86emu_fpu_op_dc_tab[] = {
void x86emuOp_esc_coprocess_dc(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -640,8 +646,8 @@ static const char *x86emu_fpu_op_dd_tab[] = {
void x86emuOp_esc_coprocess_dd(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -747,8 +753,8 @@ static const char *x86emu_fpu_op_de_tab[] =
void x86emuOp_esc_coprocess_de(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
@ -866,8 +872,8 @@ static const char *x86emu_fpu_op_df_tab[] = {
void x86emuOp_esc_coprocess_df(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint destoffset;
u8 stkelem;
uint X86EMU_FPU_ONLY(destoffset);
u8 X86EMU_FPU_ONLY(stkelem);
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);

8
src/devices/oprom/x86emu/ops.c
View File

@ -3562,7 +3562,7 @@ Handles opcode 0xcc
****************************************************************************/
static void x86emuOp_int3(u8 X86EMU_UNUSED(op1))
{
u16 tmp;
u16 X86EMU_UNUSED(tmp);
START_OF_INSTR();
DECODE_PRINTF("INT 3\n");
@ -3590,7 +3590,7 @@ Handles opcode 0xcd
****************************************************************************/
static void x86emuOp_int_IMM(u8 X86EMU_UNUSED(op1))
{
u16 tmp;
u16 X86EMU_UNUSED(tmp);
u8 intnum;
START_OF_INSTR();
@ -3620,7 +3620,7 @@ Handles opcode 0xce
****************************************************************************/
static void x86emuOp_into(u8 X86EMU_UNUSED(op1))
{
u16 tmp;
u16 X86EMU_UNUSED(tmp);
START_OF_INSTR();
DECODE_PRINTF("INTO\n");
@ -4034,7 +4034,7 @@ Handles opcode 0xd5
****************************************************************************/
static void x86emuOp_aad(u8 X86EMU_UNUSED(op1))
{
u8 a;
u8 X86EMU_UNUSED(a);
START_OF_INSTR();
DECODE_PRINTF("AAD\n");

2
src/devices/oprom/x86emu/ops2.c
View File

@ -336,7 +336,7 @@ static void x86emuOp2_set_byte(u8 op2)
int mod, rl, rh;
uint destoffset;
u8 *destreg;
const char *name = 0;
const char *X86EMU_DEBUG_ONLY(name) = 0;
int cond = 0;
START_OF_INSTR();