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tcg: Convert extract to TCGOutOpExtract
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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3ad5d4ccb4
commit
5a4d034f3c
11 changed files with 191 additions and 152 deletions
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@ -2203,6 +2203,23 @@ static const TCGOutOpUnary outop_not = {
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.out_rr = tgen_not,
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};
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static void tgen_extract(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1,
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unsigned ofs, unsigned len)
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{
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if (ofs == 0 && len <= 16) {
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tcg_out_opc_imm(s, OPC_ANDI, a0, a1, (1 << len) - 1);
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} else if (type == TCG_TYPE_I32) {
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tcg_out_opc_bf(s, OPC_EXT, a0, a1, len - 1, ofs);
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} else {
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tcg_out_opc_bf64(s, OPC_DEXT, OPC_DEXTM, OPC_DEXTU,
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a0, a1, len - 1, ofs);
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}
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}
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static const TCGOutOpExtract outop_extract = {
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.base.static_constraint = C_O1_I1(r, r),
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.out_rr = tgen_extract,
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};
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static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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const TCGArg args[TCG_MAX_OP_ARGS],
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@ -2286,22 +2303,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
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args[3] + args[4] - 1, args[3]);
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break;
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case INDEX_op_extract_i32:
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if (a2 == 0 && args[3] <= 16) {
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tcg_out_opc_imm(s, OPC_ANDI, a0, a1, (1 << args[3]) - 1);
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} else {
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tcg_out_opc_bf(s, OPC_EXT, a0, a1, args[3] - 1, a2);
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}
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break;
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case INDEX_op_extract_i64:
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if (a2 == 0 && args[3] <= 16) {
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tcg_out_opc_imm(s, OPC_ANDI, a0, a1, (1 << args[3]) - 1);
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} else {
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tcg_out_opc_bf64(s, OPC_DEXT, OPC_DEXTM, OPC_DEXTU,
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a0, a1, args[3] - 1, a2);
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}
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break;
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case INDEX_op_sextract_i64:
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if (a2 == 0 && args[3] == 32) {
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tcg_out_ext32s(s, a0, a1);
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@ -2375,7 +2376,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_ld16u_i32:
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case INDEX_op_ld16s_i32:
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case INDEX_op_ld_i32:
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case INDEX_op_extract_i32:
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case INDEX_op_sextract_i32:
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case INDEX_op_ld8u_i64:
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case INDEX_op_ld8s_i64:
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@ -2388,7 +2388,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
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case INDEX_op_extu_i32_i64:
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case INDEX_op_extrl_i64_i32:
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case INDEX_op_extrh_i64_i32:
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case INDEX_op_extract_i64:
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case INDEX_op_sextract_i64:
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return C_O1_I1(r, r);
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