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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 09:35:55 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 09:35:55 +0000
commit86dbdd4012427fe6b39664d5153abab05579a2f2 (patch)
tree3f5b1437e594fe80754c42a5083a0e8e91e95bcc /tcg
parent5d40cd63027cbf321dd756d6acf244cf5eeda5c2 (diff)
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tcg/x86_64: add bswap16_i{32,64} and bswap32_i64 ops
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6838 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tcg')
-rw-r--r--tcg/x86_64/tcg-target.c10
-rw-r--r--tcg/x86_64/tcg-target.h3
2 files changed, 13 insertions, 0 deletions
diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c
index b7c4aa6..92f0733 100644
--- a/tcg/x86_64/tcg-target.c
+++ b/tcg/x86_64/tcg-target.c
@@ -1094,7 +1094,14 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
args[3], P_REXW);
break;
+ case INDEX_op_bswap16_i32:
+ case INDEX_op_bswap16_i64:
+ tcg_out8(s, 0x66);
+ tcg_out_modrm(s, 0xc1, SHIFT_ROL, args[0]);
+ tcg_out8(s, 8);
+ break;
case INDEX_op_bswap32_i32:
+ case INDEX_op_bswap32_i64:
tcg_out_opc(s, (0xc8 + (args[0] & 7)) | P_EXT, 0, args[0], 0);
break;
case INDEX_op_bswap64_i64:
@@ -1287,7 +1294,10 @@ static const TCGTargetOpDef x86_64_op_defs[] = {
{ INDEX_op_brcond_i64, { "r", "re" } },
+ { INDEX_op_bswap16_i32, { "r", "0" } },
+ { INDEX_op_bswap16_i64, { "r", "0" } },
{ INDEX_op_bswap32_i32, { "r", "0" } },
+ { INDEX_op_bswap32_i64, { "r", "0" } },
{ INDEX_op_bswap64_i64, { "r", "0" } },
{ INDEX_op_neg_i32, { "r", "0" } },
diff --git a/tcg/x86_64/tcg-target.h b/tcg/x86_64/tcg-target.h
index 79d22ab..8cb05c6 100644
--- a/tcg/x86_64/tcg-target.h
+++ b/tcg/x86_64/tcg-target.h
@@ -56,7 +56,10 @@ enum {
#define TCG_TARGET_CALL_STACK_OFFSET 0
/* optional instructions */
+#define TCG_TARGET_HAS_bswap16_i32
+#define TCG_TARGET_HAS_bswap16_i64
#define TCG_TARGET_HAS_bswap32_i32
+#define TCG_TARGET_HAS_bswap32_i64
#define TCG_TARGET_HAS_bswap64_i64
#define TCG_TARGET_HAS_neg_i32
#define TCG_TARGET_HAS_neg_i64