target-sparc: Fix -singlestep.
Single-stepping was not properly updating npc, resulting in someinstructions being executed twice. In addition, we were emittingdead code at the end of the TB.
Fix both by teaching gen_goto_tb to avoid goto_tb for single-step...
sh4: remove dead assignments, spotted by clang analyzer
Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
ppc: add missing 'break', spotted by clang analyzer
ppc: remove dead assignments, spotted by clang analyzer
alpha: add missing 'break', spotted by clang analyzer
alpha: remove dead assignments, spotted by clang analyzer
microblaze: remove dead assignments, spotted by clang analyzer
m68k: remove dead assignments, spotted by clang analyzer
cris: remove dead assignments, spotted by clang analyzer
arm: remove dead assignments, spotted by clang analyzer
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