From 5d40cd63027cbf321dd756d6acf244cf5eeda5c2 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Fri, 13 Mar 2009 09:35:49 +0000 Subject: [PATCH] tcg/x86: add bswap16_i32 ops Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6837 c046a42c-6fe2-441c-8c8c-71466251a162 --- tcg/i386/tcg-target.c | 6 ++++++ tcg/i386/tcg-target.h | 1 + 2 files changed, 7 insertions(+) diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index d8b5563bd3..e0fd434620 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -1034,6 +1034,11 @@ static inline void tcg_out_op(TCGContext *s, int opc, tcg_out_brcond2(s, args, const_args); break; + case INDEX_op_bswap16_i32: + tcg_out8(s, 0x66); + tcg_out_modrm(s, 0xc1, SHIFT_ROL, args[0]); + tcg_out8(s, 8); + break; case INDEX_op_bswap32_i32: tcg_out_opc(s, (0xc8 + args[0]) | P_EXT); break; @@ -1130,6 +1135,7 @@ static const TCGTargetOpDef x86_op_defs[] = { { INDEX_op_sub2_i32, { "r", "r", "0", "1", "ri", "ri" } }, { INDEX_op_brcond2_i32, { "r", "r", "ri", "ri" } }, + { INDEX_op_bswap16_i32, { "r", "0" } }, { INDEX_op_bswap32_i32, { "r", "0" } }, { INDEX_op_neg_i32, { "r", "0" } }, diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 60450a4462..301a5bf142 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -45,6 +45,7 @@ enum { #define TCG_TARGET_CALL_STACK_OFFSET 0 /* optional instructions */ +#define TCG_TARGET_HAS_bswap16_i32 #define TCG_TARGET_HAS_bswap32_i32 #define TCG_TARGET_HAS_neg_i32 #define TCG_TARGET_HAS_not_i32