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target-ppc: Bug in BookE wait instruction 

Fixed bug in code generation for the PowerPC "wait" instruction. It
doesn't make sense to store a non-initialized register.

Signed-off-by: Jakub Horak <thement@ibawizard.net>
[dwg: revised commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Jakub Horak 2016-06-06 10:47:28 +02:00 committed by David Gibson
parent fcbf4a3c0c
commit 35b5066ea7
1 changed files with 1 additions and 1 deletions
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target-ppc/translate.c
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@ -3499,7 +3499,7 @@ static void gen_sync(DisasContext *ctx)
/* wait */
static void gen_wait(DisasContext *ctx)
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t0 = tcg_const_i32(1);
tcg_gen_st_i32(t0, cpu_env,
-offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
tcg_temp_free_i32(t0);