@@ -1982,6 +1982,27 @@
(set_attr "mode" "SI")]
)
+(define_insn "*ngc<mode>"
+ [(set (match_operand:GPI 0 "register_operand" "=r")
+ (minus:GPI (neg:GPI (ltu:GPI (reg:CC CC_REGNUM) (const_int 0)))
+ (match_operand:GPI 1 "register_operand" "r")))]
+ ""
+ "ngc\\t%<w>0, %<w>1"
+ [(set_attr "v8type" "adc")
+ (set_attr "mode" "<MODE>")]
+)
+
+(define_insn "*ngcsi_uxtw"
+ [(set (match_operand:DI 0 "register_operand" "=r")
+ (zero_extend:DI
+ (minus:SI (neg:SI (ltu:SI (reg:CC CC_REGNUM) (const_int 0)))
+ (match_operand:SI 1 "register_operand" "r"))))]
+ ""
+ "ngc\\t%w0, %w1"
+ [(set_attr "v8type" "adc")
+ (set_attr "mode" "SI")]
+)
+
(define_insn "*neg<mode>2_compare0"
[(set (reg:CC_NZ CC_REGNUM)
(compare:CC_NZ (neg:GPI (match_operand:GPI 1 "register_operand" "r"))
@@ -0,0 +1,66 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+
+extern void abort (void);
+typedef unsigned int u32;
+
+u32
+ngc_si (u32 a, u32 b, u32 c, u32 d)
+{
+ a = -b - (c < d);
+ return a;
+}
+
+typedef unsigned long long u64;
+
+u64
+ngc_si_tst (u64 a, u32 b, u32 c, u32 d)
+{
+ a = -b - (c < d);
+ return a;
+}
+
+u64
+ngc_di (u64 a, u64 b, u64 c, u64 d)
+{
+ a = -b - (c < d);
+ return a;
+}
+
+int
+main ()
+{
+ int x;
+ u64 y;
+
+ x = ngc_si (29, 4, 5, 4);
+ if (x != -4)
+ abort ();
+
+ x = ngc_si (1024, 2, 20, 13);
+ if (x != -2)
+ abort ();
+
+ y = ngc_si_tst (0x130000029ll, 32, 50, 12);
+ if (y != 0xffffffe0)
+ abort ();
+
+ y = ngc_si_tst (0x5000500050005ll, 21, 2, 14);
+ if (y != 0xffffffea)
+ abort ();
+
+ y = ngc_di (0x130000029ll, 0x320000004ll, 0x505050505ll, 0x123123123ll);
+ if (y != 0xfffffffcdffffffc)
+ abort ();
+
+ y = ngc_di (0x5000500050005ll,
+ 0x2111211121112ll, 0x0000000002020ll, 0x1414575046477ll);
+ if (y != 0xfffdeeedeeedeeed)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-assembler-times "ngc\tw\[0-9\]+, w\[0-9\]+" 2 } } */
+/* { dg-final { scan-assembler-times "ngc\tx\[0-9\]+, x\[0-9\]+" 1 } } */
+/* { dg-final { cleanup-saved-temps } } */