| Message ID | 294e088bc1f9d054fc9045b1196d70876f1e8ad6.1272479073.git.rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
On Wed, Apr 14, 2010 at 11:32:24AM -0700, Richard Henderson wrote: > Define and use OPC_XCHG_ax_r32. > > Signed-off-by: Richard Henderson <rth@twiddle.net> Acked-by: Aurelien Jarno <aurelien@aurel32.net> > --- > tcg/i386/tcg-target.c | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c > index 020faf0..bf3c0d6 100644 > --- a/tcg/i386/tcg-target.c > +++ b/tcg/i386/tcg-target.c > @@ -197,6 +197,7 @@ static inline int tcg_target_const_match(tcg_target_long val, > #define OPC_SHIFT_Ib (0xc1) > #define OPC_SHIFT_cl (0xd3) > #define OPC_TESTL (0x85) > +#define OPC_XCHG_ax_r32 (0x90) > > #define OPC_GRP3_Ev (0xf7) > #define OPC_GRP5 (0xff) > @@ -793,7 +794,8 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, > break; > case 3: > if (data_reg == TCG_REG_EDX) { > - tcg_out_opc(s, 0x90 + TCG_REG_EDX); /* xchg %edx, %eax */ > + /* xchg %edx, %eax */ > + tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX); > tcg_out_mov(s, data_reg2, TCG_REG_EAX); > } else { > tcg_out_mov(s, data_reg, TCG_REG_EAX); > -- > 1.6.6.1 > > > >
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 020faf0..bf3c0d6 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -197,6 +197,7 @@ static inline int tcg_target_const_match(tcg_target_long val, #define OPC_SHIFT_Ib (0xc1) #define OPC_SHIFT_cl (0xd3) #define OPC_TESTL (0x85) +#define OPC_XCHG_ax_r32 (0x90) #define OPC_GRP3_Ev (0xf7) #define OPC_GRP5 (0xff) @@ -793,7 +794,8 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, break; case 3: if (data_reg == TCG_REG_EDX) { - tcg_out_opc(s, 0x90 + TCG_REG_EDX); /* xchg %edx, %eax */ + /* xchg %edx, %eax */ + tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX); tcg_out_mov(s, data_reg2, TCG_REG_EAX); } else { tcg_out_mov(s, data_reg, TCG_REG_EAX);
Define and use OPC_XCHG_ax_r32. Signed-off-by: Richard Henderson <rth@twiddle.net> --- tcg/i386/tcg-target.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)