diff options
Diffstat (limited to 'tcg/arm/tcg-target.c.inc')
| -rw-r--r-- | tcg/arm/tcg-target.c.inc | 38 |
1 files changed, 14 insertions, 24 deletions
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 2bf6bfe274..f366424af5 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2317,6 +2317,20 @@ static const TCGOutOpSetcond2 outop_setcond2 = { .out = tgen_setcond2, }; +static void tgen_extract2(TCGContext *s, TCGType type, TCGReg a0, + TCGReg a1, TCGReg a2, unsigned shr) +{ + /* We can do extract2 in 2 insns, vs the 3 required otherwise. */ + tgen_shli(s, TCG_TYPE_I32, TCG_REG_TMP, a2, 32 - shr); + tcg_out_dat_reg(s, COND_AL, ARITH_ORR, a0, TCG_REG_TMP, + a1, SHIFT_IMM_LSR(shr)); +} + +static const TCGOutOpExtract2 outop_extract2 = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_extract2, +}; + static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type, const TCGArg args[TCG_MAX_OP_ARGS], const int const_args[TCG_MAX_OP_ARGS]) @@ -2411,28 +2425,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type, tcg_out_qemu_st(s, args[0], args[1], args[2], args[3], TCG_TYPE_I64); break; - case INDEX_op_extract2_i32: - /* ??? These optimization vs zero should be generic. */ - /* ??? But we can't substitute 2 for 1 in the opcode stream yet. */ - if (const_args[1]) { - if (const_args[2]) { - tcg_out_movi(s, TCG_TYPE_REG, args[0], 0); - } else { - tcg_out_dat_reg(s, COND_AL, ARITH_MOV, args[0], 0, - args[2], SHIFT_IMM_LSL(32 - args[3])); - } - } else if (const_args[2]) { - tcg_out_dat_reg(s, COND_AL, ARITH_MOV, args[0], 0, - args[1], SHIFT_IMM_LSR(args[3])); - } else { - /* We can do extract2 in 2 insns, vs the 3 required otherwise. */ - tcg_out_dat_reg(s, COND_AL, ARITH_MOV, TCG_REG_TMP, 0, - args[2], SHIFT_IMM_LSL(32 - args[3])); - tcg_out_dat_reg(s, COND_AL, ARITH_ORR, args[0], TCG_REG_TMP, - args[1], SHIFT_IMM_LSR(args[3])); - } - break; - case INDEX_op_mb: tcg_out_mb(s, args[0]); break; @@ -2464,8 +2456,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags) case INDEX_op_st_i32: return C_O0_I2(r, r); - case INDEX_op_extract2_i32: - return C_O1_I2(r, rZ, rZ); case INDEX_op_add2_i32: return C_O2_I4(r, r, r, r, rIN, rIK); case INDEX_op_sub2_i32: |