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tcg: Convert bswap64 to TCGOutOpUnary

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Use TCGOutOpUnary instead of TCGOutOpBswap because the
flags are not used with this opcode; they are merely
present for uniformity with the smaller bswaps.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-10 21:46:38 -08:00
parent 7498d882cb
commit 613b571c93
23 changed files with 144 additions and 104 deletions
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37
tcg/mips/tcg-target.c.inc
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@ -710,19 +710,6 @@ static void tcg_out_bswap_subr(TCGContext *s, const tcg_insn_unit *sub)
}
}
static void tcg_out_bswap64(TCGContext *s, TCGReg ret, TCGReg arg)
{
if (use_mips32r2_instructions) {
tcg_out_opc_reg(s, OPC_DSBH, ret, 0, arg);
tcg_out_opc_reg(s, OPC_DSHD, ret, 0, ret);
} else {
tcg_out_bswap_subr(s, bswap64_addr);
/* delay slot -- never omit the insn, like tcg_out_mov might. */
tcg_out_opc_reg(s, OPC_OR, TCG_TMP0, arg, TCG_REG_ZERO);
tcg_out_mov(s, TCG_TYPE_I32, ret, TCG_TMP3);
}
}
static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg)
{
tcg_debug_assert(TCG_TARGET_REG_BITS == 64);
@ -2176,6 +2163,26 @@ static const TCGOutOpBswap outop_bswap32 = {
.out_rr = tgen_bswap32,
};
#if TCG_TARGET_REG_BITS == 64
static void tgen_bswap64(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
{
if (use_mips32r2_instructions) {
tcg_out_opc_reg(s, OPC_DSBH, ret, 0, arg);
tcg_out_opc_reg(s, OPC_DSHD, ret, 0, ret);
} else {
tcg_out_bswap_subr(s, bswap64_addr);
/* delay slot -- never omit the insn, like tcg_out_mov might. */
tcg_out_opc_reg(s, OPC_OR, TCG_TMP0, arg, TCG_REG_ZERO);
tcg_out_mov(s, TCG_TYPE_I32, ret, TCG_TMP3);
}
}
static const TCGOutOpUnary outop_bswap64 = {
.base.static_constraint = C_O1_I1(r, r),
.out_rr = tgen_bswap64,
};
#endif /* TCG_TARGET_REG_BITS == 64 */
static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
{
tgen_sub(s, type, a0, TCG_REG_ZERO, a1);
@ -2267,9 +2274,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
tcg_out_ldst(s, i1, a0, a1, a2);
break;
case INDEX_op_bswap64_i64:
tcg_out_bswap64(s, a0, a1);
break;
case INDEX_op_extrh_i64_i32:
tcg_out_dsra(s, a0, a1, 32);
break;
@ -2380,7 +2384,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_ld32s_i64:
case INDEX_op_ld32u_i64:
case INDEX_op_ld_i64:
case INDEX_op_bswap64_i64:
case INDEX_op_ext_i32_i64:
case INDEX_op_extu_i32_i64:
case INDEX_op_extrl_i64_i32: