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authorAurelien Jarno <aurelien@aurel32.net>2015-07-27 12:41:45 +0200
committerRichard Henderson <rth@twiddle.net>2015-08-24 11:10:54 -0700
commit4f2331e5b67af8172419eb1c8db510b497b30a7b (patch)
treef75277a941aedca7d786198de56e2083e376bf11 /tcg/i386
parent6acd2558fdb7dd9de6b10697914bdc1d75d624e5 (diff)
downloadhqemu-4f2331e5b67af8172419eb1c8db510b497b30a7b.zip
hqemu-4f2331e5b67af8172419eb1c8db510b497b30a7b.tar.gz
tcg: implement real ext_i32_i64 and extu_i32_i64 ops
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>
Diffstat (limited to 'tcg/i386')
-rw-r--r--tcg/i386/tcg-target.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 887f22f..7648f7e 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -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" } },
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