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target/sparc: Move ADDRALIGN* to decodetree
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Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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rth7680 committed Oct 25, 2023
1 parent 45bfed3 commit 9e20ca9
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Showing 2 changed files with 34 additions and 25 deletions.
3 changes: 3 additions & 0 deletions target/sparc/insns.decode
Original file line number Diff line number Diff line change
Expand Up @@ -252,6 +252,9 @@ RETRY 10 00001 111110 00000 0 0000000000000
ARRAY8 10 ..... 110110 ..... 0 0001 0000 ..... @r_r_r
ARRAY16 10 ..... 110110 ..... 0 0001 0010 ..... @r_r_r
ARRAY32 10 ..... 110110 ..... 0 0001 0100 ..... @r_r_r

ALIGNADDR 10 ..... 110110 ..... 0 0001 1000 ..... @r_r_r
ALIGNADDRL 10 ..... 110110 ..... 0 0001 1010 ..... @r_r_r
]
NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
}
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56 changes: 31 additions & 25 deletions target/sparc/translate.c
Original file line number Diff line number Diff line change
Expand Up @@ -2747,18 +2747,6 @@ static void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr)
}
}

static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
{
TCGv tmp = tcg_temp_new();

tcg_gen_add_tl(tmp, s1, s2);
tcg_gen_andi_tl(dst, tmp, -8);
if (left) {
tcg_gen_neg_tl(tmp, tmp);
}
tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
}

static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
{
TCGv t1, t2, shift;
Expand Down Expand Up @@ -4246,6 +4234,36 @@ TRANS(ARRAY8, VIS1, do_rrr, a, gen_helper_array8)
TRANS(ARRAY16, VIS1, do_rrr, a, gen_op_array16)
TRANS(ARRAY32, VIS1, do_rrr, a, gen_op_array32)

static void gen_op_alignaddr(TCGv dst, TCGv s1, TCGv s2)
{
#ifdef TARGET_SPARC64
TCGv tmp = tcg_temp_new();

tcg_gen_add_tl(tmp, s1, s2);
tcg_gen_andi_tl(dst, tmp, -8);
tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
#else
g_assert_not_reached();
#endif
}

static void gen_op_alignaddrl(TCGv dst, TCGv s1, TCGv s2)
{
#ifdef TARGET_SPARC64
TCGv tmp = tcg_temp_new();

tcg_gen_add_tl(tmp, s1, s2);
tcg_gen_andi_tl(dst, tmp, -8);
tcg_gen_neg_tl(tmp, tmp);
tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
#else
g_assert_not_reached();
#endif
}

TRANS(ALIGNADDR, VIS1, do_rrr, a, gen_op_alignaddr)
TRANS(ALIGNADDRL, VIS1, do_rrr, a, gen_op_alignaddrl)

static bool do_shift_r(DisasContext *dc, arg_shiftr *a, bool l, bool u)
{
TCGv dst, src1, src2;
Expand Down Expand Up @@ -5148,21 +5166,9 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
case 0x010: /* VIS I array8 */
case 0x012: /* VIS I array16 */
case 0x014: /* VIS I array32 */
g_assert_not_reached(); /* in decodetree */
case 0x018: /* VIS I alignaddr */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
gen_store_gpr(dc, rd, cpu_dst);
break;
case 0x01a: /* VIS I alignaddrl */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
gen_store_gpr(dc, rd, cpu_dst);
break;
g_assert_not_reached(); /* in decodetree */
case 0x019: /* VIS II bmask */
CHECK_FPU_FEATURE(dc, VIS2);
cpu_src1 = gen_load_gpr(dc, rs1);
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