From a06d48d91f1613878d0d3c57980451aac15e3f75 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 11 Dec 2009 13:21:02 -0800 Subject: [PATCH] target-alpha: Fix FMOV. Properly handle move from the zero register. Signed-off-by: Richard Henderson Signed-off-by: Aurelien Jarno --- target-alpha/translate.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 1c809b7..8a9aeb7 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1834,12 +1834,16 @@ static inline int translate_one(DisasContext *ctx, uint32_t insn) break; case 0x020: if (likely(rc != 31)) { - if (ra == rb) + if (ra == rb) { /* FMOV */ - tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); - else + if (ra == 31) + tcg_gen_movi_i64(cpu_fir[rc], 0); + else + tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); + } else { /* CPYS */ gen_fcpys(ra, rb, rc); + } } break; case 0x021: -- 2.7.4