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target/xtensa: Tidy translate_bb

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Replace ifdefs with C, tcg_const_i32 with tcg_constant_i32.
We only need a single temporary for this.

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-26 12:56:56 -10:00
parent 00ab7e6164
commit 37d7328e4a
1 changed files with 7 additions and 11 deletions
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18
target/xtensa/translate.c
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@ -1406,19 +1406,15 @@ static void translate_b(DisasContext *dc, const OpcodeArg arg[],
static void translate_bb(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
#if TARGET_BIG_ENDIAN
TCGv_i32 bit = tcg_const_i32(0x80000000u);
#else
TCGv_i32 bit = tcg_const_i32(0x00000001u);
#endif
TCGv_i32 tmp = tcg_temp_new_i32();
tcg_gen_andi_i32(tmp, arg[1].in, 0x1f);
#if TARGET_BIG_ENDIAN
tcg_gen_shr_i32(bit, bit, tmp);
#else
tcg_gen_shl_i32(bit, bit, tmp);
#endif
tcg_gen_and_i32(tmp, arg[0].in, bit);
if (TARGET_BIG_ENDIAN) {
tcg_gen_shr_i32(tmp, tcg_constant_i32(0x80000000u), tmp);
} else {
tcg_gen_shl_i32(tmp, tcg_constant_i32(0x00000001u), tmp);
}
tcg_gen_and_i32(tmp, arg[0].in, tmp);
gen_brcondi(dc, par[0], tmp, 0, arg[2].imm);
}