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tcg: implement real ext_i32_i64 and extu_i32_i64 ops

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Implement real ext_i32_i64 and extu_i32_i64 ops. They ensure that a
32-bit value is always converted to a 64-bit value and not propagated
through the register allocator or the optimizer.

Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Stefan Weil <sw@weilnetz.de>
Acked-by: Claudio Fontana <claudio.fontana@huawei.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Aurelien Jarno 2015-07-27 12:41:45 +02:00 • committed by Richard Henderson
parent 6acd2558fd
commit 4f2331e5b6
10 changed files with 45 additions and 10 deletions
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5
tcg/i386/tcg-target.c
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@ -2064,9 +2064,11 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_bswap64_i64:
tcg_out_bswap64(s, args[0]);
break;
case INDEX_op_extu_i32_i64:
case INDEX_op_ext32u_i64:
tcg_out_ext32u(s, args[0], args[1]);
break;
case INDEX_op_ext_i32_i64:
case INDEX_op_ext32s_i64:
tcg_out_ext32s(s, args[0], args[1]);
break;
@ -2201,6 +2203,9 @@ static const TCGTargetOpDef x86_op_defs[] = {
{ INDEX_op_ext16u_i64, { "r", "r" } },
{ INDEX_op_ext32u_i64, { "r", "r" } },
{ INDEX_op_ext_i32_i64, { "r", "r" } },
{ INDEX_op_extu_i32_i64, { "r", "r" } },
{ INDEX_op_deposit_i64, { "Q", "0", "Q" } },
{ INDEX_op_movcond_i64, { "r", "r", "re", "r", "0" } },