mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/arm: Use tcg_constant for MOVW, UMAAL, CRC32

Browse Source 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220426163043.100432-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-26 09:30:25 -07:00 committed by Peter Maydell
parent dfe36d24aa
commit 302d3343df
1 changed files with 3 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
target/arm/translate.c
View File

@ -5652,14 +5652,11 @@ static bool trans_ADR(DisasContext *s, arg_ri *a)
static bool trans_MOVW(DisasContext *s, arg_MOVW *a)
{
TCGv_i32 tmp;
if (!ENABLE_ARCH_6T2) {
return false;
}
tmp = tcg_const_i32(a->imm);
store_reg(s, a->rd, tmp);
store_reg(s, a->rd, tcg_constant_i32(a->imm));
return true;
}
@ -6030,14 +6027,13 @@ static bool trans_UMAAL(DisasContext *s, arg_UMAAL *a)
t0 = load_reg(s, a->rm);
t1 = load_reg(s, a->rn);
tcg_gen_mulu2_i32(t0, t1, t0, t1);
zero = tcg_const_i32(0);
zero = tcg_constant_i32(0);
t2 = load_reg(s, a->ra);
tcg_gen_add2_i32(t0, t1, t0, t1, t2, zero);
tcg_temp_free_i32(t2);
t2 = load_reg(s, a->rd);
tcg_gen_add2_i32(t0, t1, t0, t1, t2, zero);
tcg_temp_free_i32(t2);
tcg_temp_free_i32(zero);
store_reg(s, a->ra, t0);
store_reg(s, a->rd, t1);
return true;
@ -6284,14 +6280,13 @@ static bool op_crc32(DisasContext *s, arg_rrr *a, bool c, MemOp sz)
default:
g_assert_not_reached();
}
t3 = tcg_const_i32(1 << sz);
t3 = tcg_constant_i32(1 << sz);
if (c) {
gen_helper_crc32c(t1, t1, t2, t3);
} else {
gen_helper_crc32(t1, t1, t2, t3);
}
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t3);
store_reg(s, a->rd, t1);
return true;
}