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authorRichard Henderson <rth@twiddle.net>2010-02-16 13:55:15 -0800
committerBlue Swirl <blauwirbel@gmail.com>2010-02-20 08:31:50 +0000
commit4b5a85c175768faf302cf8349d8613dbc1ac5f54 (patch)
tree55609f1b9a533dac95824d37d5d19565299548a1 /tcg/sparc/tcg-target.c
parent4fc8d6711aff7a9c11e402c3d77b481609f9f486 (diff)
tcg-sparc: Implement neg.
The fallback implementation of "ret = 0 - arg1" isn't ideal, first because of the extra tcg op to load the zero, and second because we fail to handle zero as %g0 for arg1 of the sub. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg/sparc/tcg-target.c')
-rw-r--r--tcg/sparc/tcg-target.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 5b4347ad89..f5cf95d51b 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -1234,6 +1234,10 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
c = ARITH_UMUL;
goto gen_arith;
+ OP_32_64(neg):
+ c = ARITH_SUB;
+ goto gen_arith1;
+
case INDEX_op_div_i32:
tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 0);
break;
@@ -1392,6 +1396,10 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
tcg_out_arithc(s, args[0], args[1], args[2], const_args[2], c);
break;
+ gen_arith1:
+ tcg_out_arithc(s, args[0], TCG_REG_G0, args[1], const_args[1], c);
+ break;
+
default:
fprintf(stderr, "unknown opcode 0x%x\n", opc);
tcg_abort();
@@ -1431,6 +1439,8 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_shr_i32, { "r", "r", "rJ" } },
{ INDEX_op_sar_i32, { "r", "r", "rJ" } },
+ { INDEX_op_neg_i32, { "r", "rJ" } },
+
{ INDEX_op_brcond_i32, { "r", "rJ" } },
{ INDEX_op_setcond_i32, { "r", "r", "rJ" } },
@@ -1484,6 +1494,9 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_shl_i64, { "r", "r", "rJ" } },
{ INDEX_op_shr_i64, { "r", "r", "rJ" } },
{ INDEX_op_sar_i64, { "r", "r", "rJ" } },
+
+ { INDEX_op_neg_i64, { "r", "rJ" } },
+
{ INDEX_op_ext32s_i64, { "r", "ri" } },
{ INDEX_op_ext32u_i64, { "r", "ri" } },