cris: remove dead assignments, spotted by clang analyzer

Value stored is never read.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

hw/etraxfs_eth.c

@@ -401,7 +401,7 @@ static void eth_update_ma(struct fs_eth *eth, int ma)
 	eth->macaddr[ma][i++] = eth->regs[reg] >> 16;
 	eth->macaddr[ma][i++] = eth->regs[reg] >> 24;
 	eth->macaddr[ma][i++] = eth->regs[reg + 1];
-	eth->macaddr[ma][i++] = eth->regs[reg + 1] >> 8;
+	eth->macaddr[ma][i] = eth->regs[reg + 1] >> 8;
 
 	D(printf("set mac%d=%x.%x.%x.%x.%x.%x\n", ma,
 		 eth->macaddr[ma][0], eth->macaddr[ma][1],

target-cris/mmu.c

@@ -327,7 +327,6 @@ int cris_mmu_translate(struct cris_mmu_result *res,
 		       CPUState *env, uint32_t vaddr,
 		       int rw, int mmu_idx)
 {
-	uint32_t phy = vaddr;
 	int seg;
 	int miss = 0;
 	int is_user = mmu_idx == MMU_USER_IDX;
@@ -351,8 +350,7 @@ int cris_mmu_translate(struct cris_mmu_result *res,
 
 		miss = 0;
 		base = cris_mmu_translate_seg(env, seg);
-		phy = base | (0x0fffffff & vaddr);
-		res->phy = phy;
+                res->phy = base | (0x0fffffff & vaddr);
 		res->prot = PAGE_BITS;
 	}
 	else

target-cris/translate.c

@@ -1292,13 +1292,12 @@ static void dec_prep_alu_r(DisasContext *dc, int rs, int rd,
 static int dec_prep_move_m(DisasContext *dc, int s_ext, int memsize,
 			   TCGv dst)
 {
-	unsigned int rs, rd;
+	unsigned int rs;
 	uint32_t imm;
 	int is_imm;
 	int insn_len = 2;
 
 	rs = dc->op1;
-	rd = dc->op2;
 	is_imm = rs == 15 && dc->postinc;
 
 	/* Load [$rs] onto T1.  */
@@ -1367,14 +1366,12 @@ static unsigned int dec_bccq(DisasContext *dc)
 	int32_t offset;
 	int sign;
 	uint32_t cond = dc->op2;
-	int tmp;
 
 	offset = EXTRACT_FIELD (dc->ir, 1, 7);
 	sign = EXTRACT_FIELD(dc->ir, 0, 0);
 
 	offset *= 2;
 	offset |= sign << 8;
-	tmp = offset;
 	offset = sign_extend(offset, 8);
 
 	LOG_DIS("b%s %x\n", cc_name(cond), dc->pc + offset);