diff options
| author | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-01 21:00:42 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-06 12:22:29 +0200 |
| commit | f783cb22409c6537b3cab7e78e527f62b4237d1e (patch) | |
| tree | c68043f67cd002516134da347d7be6ea50f53ccc /target-xtensa | |
| parent | c9159fe9aa9abe24115ea4d16127179e9cb07e22 (diff) | |
| download | qemu-f783cb22409c6537b3cab7e78e527f62b4237d1e.zip | |
target-xtensa: de-optimize EXTUI
Now that "and" with 0xff, 0xffff and 0xffffffff and "shr" with 0 shift
are optimized in tcg/tcg-op.h there is no need to do it in
target-xtensa/translate.c.
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/translate.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index b9acd706ce..82e8cccadc 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1829,26 +1829,8 @@ static void disas_xtensa_insn(DisasContext *dc) int maskimm = (1 << (OP2 + 1)) - 1; TCGv_i32 tmp = tcg_temp_new_i32(); - - if (shiftimm) { - tcg_gen_shri_i32(tmp, cpu_R[RRR_T], shiftimm); - } else { - tcg_gen_mov_i32(tmp, cpu_R[RRR_T]); - } - - switch (maskimm) { - case 0xff: - tcg_gen_ext8u_i32(cpu_R[RRR_R], tmp); - break; - - case 0xffff: - tcg_gen_ext16u_i32(cpu_R[RRR_R], tmp); - break; - - default: - tcg_gen_andi_i32(cpu_R[RRR_R], tmp, maskimm); - break; - } + tcg_gen_shri_i32(tmp, cpu_R[RRR_T], shiftimm); + tcg_gen_andi_i32(cpu_R[RRR_R], tmp, maskimm); tcg_temp_free(tmp); } break; |