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tcg-aarch64: Set ext based on TCG_OPF_64BIT

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Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-08-15 09:11:46 -07:00
parent 7763ffa017
commit f029341494
1 changed files with 7 additions and 21 deletions
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28
tcg/aarch64/tcg-target.c
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@ -1100,9 +1100,9 @@ static inline void tcg_out_load_pair(TCGContext *s, TCGReg addr,
static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args, const int *const_args)
{
/* ext will be set in the switch below, which will fall through to the
common code. It triggers the use of extended regs where appropriate. */
TCGType ext = 0;
/* 99% of the time, we can signal the use of extension registers
by looking to see if the opcode handles 64-bit data. */
TCGType ext = (tcg_op_defs[opc].flags & TCG_OPF_64BIT) != 0;
switch (opc) {
case INDEX_op_exit_tb:
@ -1158,7 +1158,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_mov_i64:
ext = 1; /* fall through */
case INDEX_op_mov_i32:
tcg_out_movr(s, ext, args[0], args[1]);
break;
@ -1171,43 +1170,36 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_add_i64:
ext = 1; /* fall through */
case INDEX_op_add_i32:
tcg_out_arith(s, ARITH_ADD, ext, args[0], args[1], args[2], 0);
break;
case INDEX_op_sub_i64:
ext = 1; /* fall through */
case INDEX_op_sub_i32:
tcg_out_arith(s, ARITH_SUB, ext, args[0], args[1], args[2], 0);
break;
case INDEX_op_and_i64:
ext = 1; /* fall through */
case INDEX_op_and_i32:
tcg_out_arith(s, ARITH_AND, ext, args[0], args[1], args[2], 0);
break;
case INDEX_op_or_i64:
ext = 1; /* fall through */
case INDEX_op_or_i32:
tcg_out_arith(s, ARITH_OR, ext, args[0], args[1], args[2], 0);
break;
case INDEX_op_xor_i64:
ext = 1; /* fall through */
case INDEX_op_xor_i32:
tcg_out_arith(s, ARITH_XOR, ext, args[0], args[1], args[2], 0);
break;
case INDEX_op_mul_i64:
ext = 1; /* fall through */
case INDEX_op_mul_i32:
tcg_out_mul(s, ext, args[0], args[1], args[2]);
break;
case INDEX_op_shl_i64:
ext = 1; /* fall through */
case INDEX_op_shl_i32:
if (const_args[2]) { /* LSL / UBFM Wd, Wn, (32 - m) */
tcg_out_shl(s, ext, args[0], args[1], args[2]);
@ -1217,7 +1209,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_shr_i64:
ext = 1; /* fall through */
case INDEX_op_shr_i32:
if (const_args[2]) { /* LSR / UBFM Wd, Wn, m, 31 */
tcg_out_shr(s, ext, args[0], args[1], args[2]);
@ -1227,7 +1218,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_sar_i64:
ext = 1; /* fall through */
case INDEX_op_sar_i32:
if (const_args[2]) { /* ASR / SBFM Wd, Wn, m, 31 */
tcg_out_sar(s, ext, args[0], args[1], args[2]);
@ -1237,7 +1227,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_rotr_i64:
ext = 1; /* fall through */
case INDEX_op_rotr_i32:
if (const_args[2]) { /* ROR / EXTR Wd, Wm, Wm, m */
tcg_out_rotr(s, ext, args[0], args[1], args[2]);
@ -1247,7 +1236,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_rotl_i64:
ext = 1; /* fall through */
case INDEX_op_rotl_i32: /* same as rotate right by (32 - m) */
if (const_args[2]) { /* ROR / EXTR Wd, Wm, Wm, 32 - m */
tcg_out_rotl(s, ext, args[0], args[1], args[2]);
@ -1260,14 +1248,12 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_brcond_i64:
ext = 1; /* fall through */
case INDEX_op_brcond_i32: /* CMP 0, 1, cond(2), label 3 */
tcg_out_cmp(s, ext, args[0], args[1], 0);
tcg_out_goto_label_cond(s, args[2], args[3]);
break;
case INDEX_op_setcond_i64:
ext = 1; /* fall through */
case INDEX_op_setcond_i32:
tcg_out_cmp(s, ext, args[1], args[2], 0);
tcg_out_cset(s, 0, args[0], args[3]);
@ -1310,9 +1296,11 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_qemu_st(s, args, 3);
break;
case INDEX_op_bswap64_i64:
ext = 1; /* fall through */
case INDEX_op_bswap32_i64:
/* Despite the _i64, this is a 32-bit bswap. */
ext = 0;
/* FALLTHRU */
case INDEX_op_bswap64_i64:
case INDEX_op_bswap32_i32:
tcg_out_rev(s, ext, args[0], args[1]);
break;
@ -1322,12 +1310,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
case INDEX_op_ext8s_i64:
ext = 1; /* fall through */
case INDEX_op_ext8s_i32:
tcg_out_sxt(s, ext, 0, args[0], args[1]);
break;
case INDEX_op_ext16s_i64:
ext = 1; /* fall through */
case INDEX_op_ext16s_i32:
tcg_out_sxt(s, ext, 1, args[0], args[1]);
break;