Commit e2179f94 authored by Richard Henderson's avatar Richard Henderson
Browse files

tcg/aarch64: Implement field extraction opcodes 



Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 07cc68d5

tcg/aarch64/tcg-target.h

+4 −4
Original line number Diff line number Diff line
@@ -63,8 +63,8 @@ typedef enum { 
#define TCG_TARGET_HAS_nand_i32         0

#define TCG_TARGET_HAS_nor_i32          0

#define TCG_TARGET_HAS_deposit_i32      1

#define TCG_TARGET_HAS_extract_i32      0

#define TCG_TARGET_HAS_sextract_i32     0

#define TCG_TARGET_HAS_extract_i32      1

#define TCG_TARGET_HAS_sextract_i32     1

#define TCG_TARGET_HAS_movcond_i32      1

#define TCG_TARGET_HAS_add2_i32         1

#define TCG_TARGET_HAS_sub2_i32         1
@@ -95,8 +95,8 @@ typedef enum { 
#define TCG_TARGET_HAS_nand_i64         0

#define TCG_TARGET_HAS_nor_i64          0

#define TCG_TARGET_HAS_deposit_i64      1

#define TCG_TARGET_HAS_extract_i64      0

#define TCG_TARGET_HAS_sextract_i64     0

#define TCG_TARGET_HAS_extract_i64      1

#define TCG_TARGET_HAS_sextract_i64     1

#define TCG_TARGET_HAS_movcond_i64      1

#define TCG_TARGET_HAS_add2_i64         1

#define TCG_TARGET_HAS_sub2_i64         1

tcg/aarch64/tcg-target.inc.c

+14 −0
Original line number Diff line number Diff line
@@ -1640,6 +1640,16 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, 
        tcg_out_dep(s, ext, a0, REG0(2), args[3], args[4]);

        break;



    case INDEX_op_extract_i64:

    case INDEX_op_extract_i32:

        tcg_out_ubfm(s, ext, a0, a1, a2, a2 + args[3] - 1);

        break;



    case INDEX_op_sextract_i64:

    case INDEX_op_sextract_i32:

        tcg_out_sbfm(s, ext, a0, a1, a2, a2 + args[3] - 1);

        break;



    case INDEX_op_add2_i32:

        tcg_out_addsub2(s, TCG_TYPE_I32, a0, a1, REG0(2), REG0(3),

                        (int32_t)args[4], args[5], const_args[4],
@@ -1785,6 +1795,10 @@ static const TCGTargetOpDef aarch64_op_defs[] = { 


    { INDEX_op_deposit_i32, { "r", "0", "rZ" } },

    { INDEX_op_deposit_i64, { "r", "0", "rZ" } },

    { INDEX_op_extract_i32, { "r", "r" } },

    { INDEX_op_extract_i64, { "r", "r" } },

    { INDEX_op_sextract_i32, { "r", "r" } },

    { INDEX_op_sextract_i64, { "r", "r" } },



    { INDEX_op_add2_i32, { "r", "r", "rZ", "rZ", "rA", "rMZ" } },

    { INDEX_op_add2_i64, { "r", "r", "rZ", "rZ", "rA", "rMZ" } },