haraldwolff/qemu-patch-raspberry4
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target/cris: Use tcg_gen_abs_tl

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Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-04-17 14:32:37 -10:00
parent 4e027a7106
commit 73f671f1a2
1 changed files with 1 additions and 8 deletions
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9
target/cris/translate.c
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@ -1686,18 +1686,11 @@ static int dec_cmp_r(CPUCRISState *env, DisasContext *dc)
static int dec_abs_r(CPUCRISState *env, DisasContext *dc)
{
TCGv t0;
LOG_DIS("abs $r%u, $r%u\n",
dc->op1, dc->op2);
cris_cc_mask(dc, CC_MASK_NZ);
t0 = tcg_temp_new();
tcg_gen_sari_tl(t0, cpu_R[dc->op1], 31);
tcg_gen_xor_tl(cpu_R[dc->op2], cpu_R[dc->op1], t0);
tcg_gen_sub_tl(cpu_R[dc->op2], cpu_R[dc->op2], t0);
tcg_temp_free(t0);
tcg_gen_abs_tl(cpu_R[dc->op2], cpu_R[dc->op1]);
cris_alu(dc, CC_OP_MOVE,
cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4);
return 2;