Wrap option names in gcc internal messages with %< and %>.

[thirdparty/gcc.git] / gcc / config / mmix / mmix.c

diff --git a/gcc/config/mmix/mmix.c b/gcc/config/mmix/mmix.c
index 9e3bc9437ce9da74fe2b02029680ffb770d2b851..c2136e223053b679ba89161e67b7538cb381b196 100644 (file)
--- a/gcc/config/mmix/mmix.c
+++ b/gcc/config/mmix/mmix.c
@@ -1,5 +1,5 @@
 /* Definitions of target machine for GNU compiler, for MMIX.
-   Copyright (C) 2000-2018 Free Software Foundation, Inc.
+   Copyright (C) 2000-2019 Free Software Foundation, Inc.
    Contributed by Hans-Peter Nilsson (hp@bitrange.com)
 
 This file is part of GCC.
@@ -33,6 +33,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "memmodel.h"
 #include "tm_p.h"
 #include "insn-config.h"
+#include "optabs.h"
 #include "regs.h"
 #include "emit-rtl.h"
 #include "recog.h"
@@ -140,6 +141,7 @@ static void mmix_setup_incoming_varargs
   (cumulative_args_t, machine_mode, tree, int *, int);
 static void mmix_file_start (void);
 static void mmix_file_end (void);
+static void mmix_init_libfuncs (void);
 static bool mmix_rtx_costs (rtx, machine_mode, int, int, int *, bool);
 static int mmix_register_move_cost (machine_mode,
                                    reg_class_t, reg_class_t);
@@ -221,9 +223,15 @@ static HOST_WIDE_INT mmix_starting_frame_offset (void);
 #undef TARGET_ASM_OUTPUT_SOURCE_FILENAME
 #define TARGET_ASM_OUTPUT_SOURCE_FILENAME mmix_asm_output_source_filename
 
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS mmix_init_libfuncs
+
 #undef TARGET_CONDITIONAL_REGISTER_USAGE
 #define TARGET_CONDITIONAL_REGISTER_USAGE mmix_conditional_register_usage
 
+#undef TARGET_HAVE_SPECULATION_SAFE_VALUE
+#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+
 #undef TARGET_RTX_COSTS
 #define TARGET_RTX_COSTS mmix_rtx_costs
 #undef TARGET_ADDRESS_COST
@@ -309,7 +317,8 @@ mmix_option_override (void)
      labels.  */
   if (flag_pic)
     {
-      warning (0, "-f%s not supported: ignored", (flag_pic > 1) ? "PIC" : "pic");
+      warning (0, "%<-f%s%> not supported: ignored",
+              (flag_pic > 1) ? "PIC" : "pic");
       flag_pic = 0;
     }
 }
@@ -1305,6 +1314,20 @@ mmix_asm_output_source_filename (FILE *stream, const char *name)
   fprintf (stream, "\n");
 }
 
+/* Unfortunately, by default __builtin_ffs is expanded to ffs for
+   targets where INT_TYPE_SIZE < BITS_PER_WORD.  That together with
+   newlib since 2017-07-04 implementing ffs as __builtin_ffs leads to
+   (newlib) ffs recursively calling itself.  But, because of argument
+   promotion, and with ffs we're counting from the least bit, the
+   libgcc equivalent for ffsl works equally well for int arguments, so
+   just use that.  */
+
+static void
+mmix_init_libfuncs (void)
+{
+  set_optab_libfunc (ffs_optab, SImode, "__ffsdi2");
+}
+
 /* OUTPUT_QUOTED_STRING.  */
 
 void