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alpha: 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 20:30:17 +00:00
parent 183aa45407
commit f88fe4e370
2 changed files with 4 additions and 9 deletions
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2
hw/alpha_palcode.c
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@ -79,9 +79,7 @@ static void pal_reset (CPUState *env)
static void do_swappal (CPUState *env, uint64_t palid)
{
pal_handler_t *pal_handler;
int status;
status = 0;
switch (palid) {
case 0 ... 2:
pal_handler = &pal_handlers[palid];

11
target-alpha/translate.c
View File

@ -1234,8 +1234,8 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
{
uint32_t palcode;
int32_t disp21, disp16, disp12;
uint16_t fn11, fn16;
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit, real_islit;
uint16_t fn11;
uint8_t opc, ra, rb, rc, fpfn, fn7, fn2, islit, real_islit;
uint8_t lit;
int ret;
@ -1244,7 +1244,6 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
ra = (insn >> 21) & 0x1F;
rb = (insn >> 16) & 0x1F;
rc = insn & 0x1F;
sbz = (insn >> 13) & 0x07;
real_islit = islit = (insn >> 12) & 1;
if (rb == 31 && !islit) {
islit = 1;
@ -1255,7 +1254,6 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11;
disp16 = (int16_t)(insn & 0x0000FFFF);
disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20;
fn16 = insn & 0x0000FFFF;
fn11 = (insn >> 5) & 0x000007FF;
fpfn = fn11 & 0x3F;
fn7 = (insn >> 5) & 0x0000007F;
@ -1290,7 +1288,6 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn)
if (ctx->mem_idx & 1)
goto invalid_opc;
gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x3F) << 6), 0);
ret = 3;
}
#endif
/* Invalid PAL call */
@ -3140,8 +3137,8 @@ CPUAlphaState * cpu_alpha_init (const char *cpu_model)
env->ipr[IPR_EXC_MASK] = 0;
#else
{
uint64_t hwpcb;
hwpcb = env->ipr[IPR_PCBB];
// uint64_t hwpcb;
// hwpcb = env->ipr[IPR_PCBB];
env->ipr[IPR_ASN] = 0;
env->ipr[IPR_ASTEN] = 0;
env->ipr[IPR_ASTSR] = 0;