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arm: remove dead assignments, spotted by clang analyzer 

Value stored is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-04-25 19:31:06 +00:00
parent 7f5b7d3e2c
commit 22ed1d3478
14 changed files with 31 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arm-dis.c
View File

@ -2515,7 +2515,6 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb)
{
func (stream, "<illegal constant %.8x:%x:%x>",
bits, cmode, op);
size = 32;
break;
}
switch (size)

1
hw/omap1.c
View File

@ -2348,7 +2348,6 @@ static void omap_clkm_write(void *opaque, target_phys_addr_t addr,
return;
case 0x0c: /* ARM_EWUPCT */
diff = s->clkm.arm_ewupct ^ value;
s->clkm.arm_ewupct = value & 0x003f;
return;

2
hw/omap2.c
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@ -1968,7 +1968,7 @@ struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
s->irq = irq;
s->codec.rxdrq = *drq ++;
s->codec.txdrq = *drq ++;
s->codec.txdrq = *drq;
omap_eac_reset(s);
#ifdef HAS_AUDIO

6
hw/omap_sx1.c
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@ -126,7 +126,6 @@ static void sx1_init(ram_addr_t ram_size,
static uint32_t cs1val = 0x00215070;
static uint32_t cs2val = 0x00001139;
static uint32_t cs3val = 0x00001139;
ram_addr_t phys_flash;
DriveInfo *dinfo;
int fl_idx;
uint32_t flash_size = flash0_size;
@ -140,7 +139,7 @@ static void sx1_init(ram_addr_t ram_size,
/* External Flash (EMIFS) */
cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
(phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM);
qemu_ram_alloc(flash_size) | IO_MEM_ROM);
io = cpu_register_io_memory(static_readfn, static_writefn, &cs0val);
cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,
@ -171,8 +170,7 @@ static void sx1_init(ram_addr_t ram_size,
if ((version == 1) &&
(dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) {
cpu_register_physical_memory(OMAP_CS1_BASE, flash1_size,
(phys_flash = qemu_ram_alloc(flash1_size)) |
IO_MEM_ROM);
qemu_ram_alloc(flash1_size) | IO_MEM_ROM);
io = cpu_register_io_memory(static_readfn, static_writefn, &cs1val);
cpu_register_physical_memory(OMAP_CS1_BASE + flash1_size,
OMAP_CS1_SIZE - flash1_size, io);

3
hw/palm.c
View File

@ -206,7 +206,6 @@ static void palmte_init(ram_addr_t ram_size,
static uint32_t cs1val = 0x0000e1a0;
static uint32_t cs2val = 0x0000e1a0;
static uint32_t cs3val = 0xe1a0e1a0;
ram_addr_t phys_flash;
int rom_size, rom_loaded = 0;
DisplayState *ds = get_displaystate();
@ -214,7 +213,7 @@ static void palmte_init(ram_addr_t ram_size,
/* External Flash (EMIFS) */
cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
(phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM);
qemu_ram_alloc(flash_size) | IO_MEM_ROM);
io = cpu_register_io_memory(static_readfn, static_writefn, &cs0val);
cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,

2
hw/pflash_cfi01.c
View File

@ -542,7 +542,9 @@ static int ctz32 (uint32_t n)
}
if (!(n & 0x1)) {
ret++;
#if 0 /* This is not necessary as n is never 0 */
n = n >> 1;
#endif
}
#if 0 /* This is not necessary as n is never 0 */
if (!n)

2
hw/pflash_cfi02.c
View File

@ -582,7 +582,9 @@ static int ctz32 (uint32_t n)
}
if (!(n & 0x1)) {
ret++;
#if 0 /* This is not necessary as n is never 0 */
n = n >> 1;
#endif
}
#if 0 /* This is not necessary as n is never 0 */
if (!n)

8
hw/sd.c
View File

@ -1143,12 +1143,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
}
static sd_rsp_type_t sd_app_command(SDState *sd,
SDRequest req) {
uint32_t rca;
if (sd_cmd_type[req.cmd] == sd_ac || sd_cmd_type[req.cmd] == sd_adtc)
rca = req.arg >> 16;
SDRequest req)
{
DPRINTF("ACMD%d 0x%08x\n", req.cmd, req.arg);
switch (req.cmd) {
case 6: /* ACMD6: SET_BUS_WIDTH */

33
hw/smc91c111.c
View File

@ -160,7 +160,6 @@ static void smc91c111_do_tx(smc91c111_state *s)
int i;
int len;
int control;
int add_crc;
int packetnum;
uint8_t *p;
@ -187,20 +186,22 @@ static void smc91c111_do_tx(smc91c111_state *s)
len = 64;
}
#if 0
/* The card is supposed to append the CRC to the frame. However
none of the other network traffic has the CRC appended.
Suspect this is low level ethernet detail we don't need to worry
about. */
add_crc = (control & 0x10) || (s->tcr & TCR_NOCRC) == 0;
if (add_crc) {
uint32_t crc;
{
int add_crc;
crc = crc32(~0, p, len);
memcpy(p + len, &crc, 4);
len += 4;
/* The card is supposed to append the CRC to the frame.
However none of the other network traffic has the CRC
appended. Suspect this is low level ethernet detail we
don't need to worry about. */
add_crc = (control & 0x10) || (s->tcr & TCR_NOCRC) == 0;
if (add_crc) {
uint32_t crc;
crc = crc32(~0, p, len);
memcpy(p + len, &crc, 4);
len += 4;
}
}
#else
add_crc = 0;
#endif
if (s->ctr & CTR_AUTO_RELEASE)
/* Race? */
@ -670,14 +671,14 @@ static ssize_t smc91c111_receive(VLANClientState *nc, const uint8_t *buf, size_t
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff; crc >>= 8;
*(p++) = crc & 0xff;
}
if (size & 1) {
*(p++) = buf[size - 1];
*(p++) = 0x60;
*p = 0x60;
} else {
*(p++) = 0;
*(p++) = 0x40;
*p = 0x40;
}
/* TODO: Raise early RX interrupt? */
s->int_level |= INT_RCV;

2
hw/spitz.c
View File

@ -721,7 +721,7 @@ static void spitz_ssp_attach(PXA2xxState *cpu)
mux = ssi_create_slave(cpu->ssp[CORGI_SSP_PORT - 1], "corgi-ssp");
bus = qdev_get_child_bus(mux, "ssi0");
dev = ssi_create_slave(bus, "spitz-lcdtg");
ssi_create_slave(bus, "spitz-lcdtg");
bus = qdev_get_child_bus(mux, "ssi1");
dev = ssi_create_slave(bus, "ads7846");

2
hw/stellaris.c
View File

@ -1367,7 +1367,7 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
gpio_out[GPIO_D][0] = qdev_get_gpio_in(mux, 0);
bus = qdev_get_child_bus(mux, "ssi0");
dev = ssi_create_slave(bus, "ssi-sd");
ssi_create_slave(bus, "ssi-sd");
bus = qdev_get_child_bus(mux, "ssi1");
dev = ssi_create_slave(bus, "ssd0323");

2
hw/tusb6010.c
View File

@ -425,7 +425,6 @@ static uint32_t tusb_async_readw(void *opaque, target_phys_addr_t addr)
return s->rx_config[epnum];
case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
(TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
epnum = (offset - TUSB_EP_MAX_PACKET_SIZE_OFFSET) >> 2;
return 0x00000000; /* TODO */
case TUSB_WAIT_COUNT:
return 0x00; /* TODO */
@ -630,7 +629,6 @@ static void tusb_async_writew(void *opaque, target_phys_addr_t addr,
break;
case TUSB_EP_MAX_PACKET_SIZE_OFFSET ...
(TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b):
epnum = (offset - TUSB_EP_MAX_PACKET_SIZE_OFFSET) >> 2;
return; /* TODO */
case TUSB_WAIT_COUNT:
return; /* TODO */

5
hw/wm8750.c
View File

@ -62,12 +62,11 @@ static const uint8_t wm8750_vol_db_table[] = {
static inline void wm8750_in_load(WM8750State *s)
{
int acquired;
if (s->idx_in + s->req_in <= sizeof(s->data_in))
return;
s->idx_in = audio_MAX(0, (int) sizeof(s->data_in) - s->req_in);
acquired = AUD_read(*s->in[0], s->data_in + s->idx_in,
sizeof(s->data_in) - s->idx_in);
AUD_read(*s->in[0], s->data_in + s->idx_in,
sizeof(s->data_in) - s->idx_in);
}
static inline void wm8750_out_flush(WM8750State *s)

1
target-arm/translate.c
View File

@ -5242,7 +5242,6 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
if (!u) {
/* Extract. */
imm = (insn >> 8) & 0xf;
count = q + 1;
if (imm > 7 && !q)
return 1;