diff --git a/gcc/config/rs6000/rs6000-builtins.def b/gcc/config/rs6000/rs6000-builtins.def
index 77eb0f7e406..ffbeff64d6d 100644
--- a/gcc/config/rs6000/rs6000-builtins.def
+++ b/gcc/config/rs6000/rs6000-builtins.def
@@ -518,25 +518,25 @@
     VAND_V8HI_UNS andv8hi3 {}
 
   const vsc __builtin_altivec_vandc_v16qi (vsc, vsc);
-    VANDC_V16QI andcv16qi3 {}
+    VANDC_V16QI andnv16qi3 {}
 
   const vuc __builtin_altivec_vandc_v16qi_uns (vuc, vuc);
-    VANDC_V16QI_UNS andcv16qi3 {}
+    VANDC_V16QI_UNS andnv16qi3 {}
 
   const vf __builtin_altivec_vandc_v4sf (vf, vf);
-    VANDC_V4SF andcv4sf3 {}
+    VANDC_V4SF andnv4sf3 {}
 
   const vsi __builtin_altivec_vandc_v4si (vsi, vsi);
-    VANDC_V4SI andcv4si3 {}
+    VANDC_V4SI andnv4si3 {}
 
   const vui __builtin_altivec_vandc_v4si_uns (vui, vui);
-    VANDC_V4SI_UNS andcv4si3 {}
+    VANDC_V4SI_UNS andnv4si3 {}
 
   const vss __builtin_altivec_vandc_v8hi (vss, vss);
-    VANDC_V8HI andcv8hi3 {}
+    VANDC_V8HI andnv8hi3 {}
 
   const vus __builtin_altivec_vandc_v8hi_uns (vus, vus);
-    VANDC_V8HI_UNS andcv8hi3 {}
+    VANDC_V8HI_UNS andnv8hi3 {}
 
   const vsc __builtin_altivec_vavgsb (vsc, vsc);
     VAVGSB avgv16qi3_ceil {}
@@ -1189,13 +1189,13 @@
     VAND_V2DI_UNS andv2di3 {}
 
   const vd __builtin_altivec_vandc_v2df (vd, vd);
-    VANDC_V2DF andcv2df3 {}
+    VANDC_V2DF andnv2df3 {}
 
   const vsll __builtin_altivec_vandc_v2di (vsll, vsll);
-    VANDC_V2DI andcv2di3 {}
+    VANDC_V2DI andnv2di3 {}
 
   const vull __builtin_altivec_vandc_v2di_uns (vull, vull);
-    VANDC_V2DI_UNS andcv2di3 {}
+    VANDC_V2DI_UNS andnv2di3 {}
 
   const vd __builtin_altivec_vnor_v2df (vd, vd);
     VNOR_V2DF norv2df3 {}
@@ -1975,40 +1975,40 @@
     NEG_V2DI negv2di2 {}
 
   const vsc __builtin_altivec_orc_v16qi (vsc, vsc);
-    ORC_V16QI iorcv16qi3 {}
+    ORC_V16QI iornv16qi3 {}
 
   const vuc __builtin_altivec_orc_v16qi_uns (vuc, vuc);
-    ORC_V16QI_UNS iorcv16qi3 {}
+    ORC_V16QI_UNS iornv16qi3 {}
 
   const vsq __builtin_altivec_orc_v1ti (vsq, vsq);
-    ORC_V1TI iorcv1ti3 {}
+    ORC_V1TI iornv1ti3 {}
 
   const vuq __builtin_altivec_orc_v1ti_uns (vuq, vuq);
-    ORC_V1TI_UNS iorcv1ti3 {}
+    ORC_V1TI_UNS iornv1ti3 {}
 
   const vd __builtin_altivec_orc_v2df (vd, vd);
-    ORC_V2DF iorcv2df3 {}
+    ORC_V2DF iornv2df3 {}
 
   const vsll __builtin_altivec_orc_v2di (vsll, vsll);
-    ORC_V2DI iorcv2di3 {}
+    ORC_V2DI iornv2di3 {}
 
   const vull __builtin_altivec_orc_v2di_uns (vull, vull);
-    ORC_V2DI_UNS iorcv2di3 {}
+    ORC_V2DI_UNS iornv2di3 {}
 
   const vf __builtin_altivec_orc_v4sf (vf, vf);
-    ORC_V4SF iorcv4sf3 {}
+    ORC_V4SF iornv4sf3 {}
 
   const vsi __builtin_altivec_orc_v4si (vsi, vsi);
-    ORC_V4SI iorcv4si3 {}
+    ORC_V4SI iornv4si3 {}
 
   const vui __builtin_altivec_orc_v4si_uns (vui, vui);
-    ORC_V4SI_UNS iorcv4si3 {}
+    ORC_V4SI_UNS iornv4si3 {}
 
   const vss __builtin_altivec_orc_v8hi (vss, vss);
-    ORC_V8HI iorcv8hi3 {}
+    ORC_V8HI iornv8hi3 {}
 
   const vus __builtin_altivec_orc_v8hi_uns (vus, vus);
-    ORC_V8HI_UNS iorcv8hi3 {}
+    ORC_V8HI_UNS iornv8hi3 {}
 
   const vsc __builtin_altivec_vclzb (vsc);
     VCLZB clzv16qi2 {}
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 0f992902f38..55b4133b1a3 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -743,7 +743,7 @@ expand_cmp_vec_sequence (unsigned HOST_WIDE_INT bytes_to_compare,
 	      rtx cmp_combined = gen_reg_rtx (load_mode);
 	      emit_insn (gen_altivec_eqv16qi (cmp_res, s1data, s2data));
 	      emit_insn (gen_altivec_eqv16qi (cmp_zero, s1data, zero_reg));
-	      emit_insn (gen_iorcv16qi3 (vec_result, cmp_zero, cmp_res));
+	      emit_insn (gen_iornv16qi3 (vec_result, cmp_zero, cmp_res));
 	      emit_insn (gen_altivec_vcmpequb_p (cmp_combined, vec_result, zero_reg));
 	    }
 	}
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 637a8591e77..cfb22a3cb7d 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -7296,7 +7296,7 @@ (define_expand "nor<mode>3"
   ""
   "")
 
-(define_expand "andc<mode>3"
+(define_expand "andn<mode>3"
   [(set (match_operand:BOOL_128 0 "vlogical_operand")
         (and:BOOL_128
 	 (not:BOOL_128 (match_operand:BOOL_128 2 "vlogical_operand"))
@@ -7324,7 +7324,7 @@ (define_expand "nand<mode>3"
 
 ;; The canonical form is to have the negated element first, so we need to
 ;; reverse arguments.
-(define_expand "iorc<mode>3"
+(define_expand "iorn<mode>3"
   [(set (match_operand:BOOL_128 0 "vlogical_operand")
 	(ior:BOOL_128
 	 (not:BOOL_128 (match_operand:BOOL_128 2 "vlogical_operand"))
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index ecb7f34f1b9..5dc0d55edd6 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -5555,13 +5555,13 @@ Both scalar and vector integer modes are allowed.
 @item @samp{sstrunc@var{m}@var{n}2}
 Similar but for signed.
 
-@cindex @code{andc@var{m}3} instruction pattern
-@item @samp{andc@var{m}3}
+@cindex @code{andn@var{m}3} instruction pattern
+@item @samp{andn@var{m}3}
 Like @code{and@var{m}3}, but it uses bitwise-complement of operand 2
 rather than operand 2 itself.
 
-@cindex @code{iorc@var{m}3} instruction pattern
-@item @samp{iorc@var{m}3}
+@cindex @code{iorn@var{m}3} instruction pattern
+@item @samp{iorn@var{m}3}
 Like @code{ior@var{m}3}, but it uses bitwise-complement of operand 2
 rather than operand 2 itself.
 
diff --git a/gcc/gimple-isel.cc b/gcc/gimple-isel.cc
index e4ab42ad05b..57f7281bb50 100644
--- a/gcc/gimple-isel.cc
+++ b/gcc/gimple-isel.cc
@@ -286,28 +286,28 @@ gimple_expand_vec_cond_expr (struct function *fun, gimple_stmt_iterator *gsi,
 		}
 	      bool op1_zerop = integer_zerop (op1);
 	      bool op2_minus_onep = integer_minus_onep (op2);
-	      /* Try to fold r = c ? 0 : z to r = .BIT_ANDC (z, c).  */
+	      /* Try to fold r = c ? 0 : z to r = .BIT_ANDN (z, c).  */
 	      if (op1_zerop
-		  && (direct_internal_fn_supported_p (IFN_BIT_ANDC, vtype,
+		  && (direct_internal_fn_supported_p (IFN_BIT_ANDN, vtype,
 						      OPTIMIZE_FOR_BOTH)))
 		{
 		  tree conv_op = build1 (VIEW_CONVERT_EXPR, vtype, op0);
 		  tree new_op = make_ssa_name (vtype);
 		  gassign *new_stmt = gimple_build_assign (new_op, conv_op);
 		  gsi_insert_seq_before (gsi, new_stmt, GSI_SAME_STMT);
-		  return gimple_build_call_internal (IFN_BIT_ANDC, 2, op2,
+		  return gimple_build_call_internal (IFN_BIT_ANDN, 2, op2,
 						     new_op);
 		}
-	      /* Try to fold r = c ? z : -1 to r = .BIT_IORC (z, c).  */
+	      /* Try to fold r = c ? z : -1 to r = .BIT_IORN (z, c).  */
 	      else if (op2_minus_onep
-		       && (direct_internal_fn_supported_p (IFN_BIT_IORC, vtype,
+		       && (direct_internal_fn_supported_p (IFN_BIT_IORN, vtype,
 							   OPTIMIZE_FOR_BOTH)))
 		{
 		  tree conv_op = build1 (VIEW_CONVERT_EXPR, vtype, op0);
 		  tree new_op = make_ssa_name (vtype);
 		  gassign *new_stmt = gimple_build_assign (new_op, conv_op);
 		  gsi_insert_seq_before (gsi, new_stmt, GSI_SAME_STMT);
-		  return gimple_build_call_internal (IFN_BIT_IORC, 2, op1,
+		  return gimple_build_call_internal (IFN_BIT_IORN, 2, op1,
 						     new_op);
 		}
 	    }
diff --git a/gcc/internal-fn.def b/gcc/internal-fn.def
index 0b45f322f0d..75b527b1ab0 100644
--- a/gcc/internal-fn.def
+++ b/gcc/internal-fn.def
@@ -596,8 +596,8 @@ DEF_INTERNAL_FN (FLOATTOBITINT, ECF_LEAF | ECF_NOTHROW, ". O . . ")
 DEF_INTERNAL_FN (BITINTTOFLOAT, ECF_PURE | ECF_LEAF, ". R . ")
 
 /* Bitwise functions.  */
-DEF_INTERNAL_OPTAB_FN (BIT_ANDC, ECF_CONST, andc, binary)
-DEF_INTERNAL_OPTAB_FN (BIT_IORC, ECF_CONST, iorc, binary)
+DEF_INTERNAL_OPTAB_FN (BIT_ANDN, ECF_CONST, andn, binary)
+DEF_INTERNAL_OPTAB_FN (BIT_IORN, ECF_CONST, iorn, binary)
 
 #undef DEF_INTERNAL_WIDENING_OPTAB_FN
 #undef DEF_INTERNAL_SIGNED_COND_FN
diff --git a/gcc/optabs.def b/gcc/optabs.def
index 45e117a7f50..58a939442bd 100644
--- a/gcc/optabs.def
+++ b/gcc/optabs.def
@@ -39,7 +39,11 @@ along with GCC; see the file COPYING3.  If not see
 
    The pattern may be NULL if the optab exists only for the libcalls
    that we plan to attach to it, and there are no named patterns in
-   the md files.  */
+   the md files.
+   WARNING: do not have a pattern name have a `c` right before a possible scalar mode,
+   csi, cdi are valid modes (complex si/di) and the match is based on which pattern is done
+   first. For an example `andc$a3` and `and$a3` with `andcsi3` will match which one comes first
+   here.  */
 
 /* The extension libcalls are used for float extension.  */
 OPTAB_CL(sext_optab, "extend$b$a2", SIGN_EXTEND, "extend", gen_extend_conv_libfunc)
@@ -545,5 +549,5 @@ OPTAB_D (vec_shl_insert_optab, "vec_shl_insert_$a")
 OPTAB_D (len_load_optab, "len_load_$a")
 OPTAB_D (len_store_optab, "len_store_$a")
 OPTAB_D (select_vl_optab, "select_vl$a")
-OPTAB_D (andc_optab, "andc$a3")
-OPTAB_D (iorc_optab, "iorc$a3")
+OPTAB_D (andn_optab, "andn$a3")
+OPTAB_D (iorn_optab, "iorn$a3")
