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tcg/tci: Implement extract, sextract

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Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-02-02 16:48:48 -08:00
parent a81520b92d
commit 0f10d7c5b0
3 changed files with 78 additions and 4 deletions
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42
tcg/tci.c
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@ -126,6 +126,15 @@ static void tci_args_rrs(uint32_t insn, TCGReg *r0, TCGReg *r1, int32_t *i2)
*i2 = sextract32(insn, 16, 16);
}
static void tci_args_rrbb(uint32_t insn, TCGReg *r0, TCGReg *r1,
uint8_t *i2, uint8_t *i3)
{
*r0 = extract32(insn, 8, 4);
*r1 = extract32(insn, 12, 4);
*i2 = extract32(insn, 16, 6);
*i3 = extract32(insn, 22, 6);
}
static void tci_args_rrrc(uint32_t insn,
TCGReg *r0, TCGReg *r1, TCGReg *r2, TCGCond *c3)
{
@ -610,6 +619,18 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
regs[r0] = deposit32(regs[r1], pos, len, regs[r2]);
break;
#endif
#if TCG_TARGET_HAS_extract_i32
case INDEX_op_extract_i32:
tci_args_rrbb(insn, &r0, &r1, &pos, &len);
regs[r0] = extract32(regs[r1], pos, len);
break;
#endif
#if TCG_TARGET_HAS_sextract_i32
case INDEX_op_sextract_i32:
tci_args_rrbb(insn, &r0, &r1, &pos, &len);
regs[r0] = sextract32(regs[r1], pos, len);
break;
#endif
case INDEX_op_brcond_i32:
tci_args_rl(insn, tb_ptr, &r0, &ptr);
@ -750,6 +771,18 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
regs[r0] = deposit64(regs[r1], pos, len, regs[r2]);
break;
#endif
#if TCG_TARGET_HAS_extract_i64
case INDEX_op_extract_i64:
tci_args_rrbb(insn, &r0, &r1, &pos, &len);
regs[r0] = extract64(regs[r1], pos, len);
break;
#endif
#if TCG_TARGET_HAS_sextract_i64
case INDEX_op_sextract_i64:
tci_args_rrbb(insn, &r0, &r1, &pos, &len);
regs[r0] = sextract64(regs[r1], pos, len);
break;
#endif
case INDEX_op_brcond_i64:
tci_args_rl(insn, tb_ptr, &r0, &ptr);
@ -1191,6 +1224,15 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info)
op_name, str_r(r0), str_r(r1), str_r(r2), pos, len);
break;
case INDEX_op_extract_i32:
case INDEX_op_extract_i64:
case INDEX_op_sextract_i32:
case INDEX_op_sextract_i64:
tci_args_rrbb(insn, &r0, &r1, &pos, &len);
info->fprintf_func(info->stream, "%-12s %s,%s,%d,%d",
op_name, str_r(r0), str_r(r1), pos, len);
break;
case INDEX_op_movcond_i32:
case INDEX_op_movcond_i64:
case INDEX_op_setcond2_i32: