xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-24 03:59:52 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tcg-sparc: Implement not.

Browse Source 
The fallback implementation of "ret = arg1 ^ -1" isn't ideal
because of the extra tcg op to load the minus one.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2010-02-16 14:02:04 -08:00 committed by Blue Swirl
parent 4b5a85c175
commit be6551b1e7
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tcg/sparc/tcg-target.c
View File

@ -226,6 +226,7 @@ static inline int tcg_target_const_match(tcg_target_long val,
#define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01))
#define ARITH_OR (INSN_OP(2) | INSN_OP3(0x02))
#define ARITH_ORCC (INSN_OP(2) | INSN_OP3(0x12))
#define ARITH_ORN (INSN_OP(2) | INSN_OP3(0x06))
#define ARITH_XOR (INSN_OP(2) | INSN_OP3(0x03))
#define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x04))
#define ARITH_SUBCC (INSN_OP(2) | INSN_OP3(0x14))
@ -1237,6 +1238,9 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
OP_32_64(neg):
c = ARITH_SUB;
goto gen_arith1;
OP_32_64(not):
c = ARITH_ORN;
goto gen_arith1;
case INDEX_op_div_i32:
tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 0);
@ -1440,6 +1444,7 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_sar_i32, { "r", "r", "rJ" } },
{ INDEX_op_neg_i32, { "r", "rJ" } },
{ INDEX_op_not_i32, { "r", "rJ" } },
{ INDEX_op_brcond_i32, { "r", "rJ" } },
{ INDEX_op_setcond_i32, { "r", "r", "rJ" } },
@ -1496,6 +1501,7 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_sar_i64, { "r", "r", "rJ" } },
{ INDEX_op_neg_i64, { "r", "rJ" } },
{ INDEX_op_not_i64, { "r", "rJ" } },
{ INDEX_op_ext32s_i64, { "r", "ri" } },
{ INDEX_op_ext32u_i64, { "r", "ri" } },

2
tcg/sparc/tcg-target.h
View File

@ -92,11 +92,13 @@ enum {
#define TCG_TARGET_HAS_div_i64
#define TCG_TARGET_HAS_neg_i32
#define TCG_TARGET_HAS_not_i32
#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_ext32s_i64
#define TCG_TARGET_HAS_ext32u_i64
#define TCG_TARGET_HAS_neg_i64
#define TCG_TARGET_HAS_not_i64
#endif
//#define TCG_TARGET_HAS_bswap32_i32