From 86dbdd4012427fe6b39664d5153abab05579a2f2 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Fri, 13 Mar 2009 09:35:55 +0000 Subject: [PATCH] tcg/x86_64: add bswap16_i{32,64} and bswap32_i64 ops Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6838 c046a42c-6fe2-441c-8c8c-71466251a162 --- tcg/x86_64/tcg-target.c | 10 ++++++++++ tcg/x86_64/tcg-target.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c index b7c4aa613c..92f0733efe 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 79d22ab837..8cb05c6328 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 -- 2.11.4.GIT