Use startswith in targets.

gcc/ChangeLog:

	* common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
	Use startswith function instead of strncmp.
	* common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
	* common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
	* config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
	* config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
	* config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
	* config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
	* config/arm/arm.c (arm_file_start): Likewise.
	(arm_valid_target_attribute_rec): Likewise.
	(thumb1_md_asm_adjust): Likewise.
	* config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
	* config/avr/avr.c (STR_PREFIX_P): Likewise.
	(avr_set_current_function): Likewise.
	(avr_handle_addr_attribute): Likewise.
	(avr_asm_output_aligned_decl_common): Likewise.
	(avr_asm_named_section): Likewise.
	(avr_section_type_flags): Likewise.
	(avr_asm_select_section): Likewise.
	* config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
	(c6x_section_type_flags): Likewise.
	* config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
	(darwin_objc_declare_unresolved_class_reference): Likewise.
	(darwin_objc_declare_class_definition): Likewise.
	* config/darwin.c (indirect_data): Likewise.
	(darwin_encode_section_info): Likewise.
	(darwin_objc2_section): Likewise.
	(darwin_objc1_section): Likewise.
	(machopic_select_section): Likewise.
	(darwin_globalize_label): Likewise.
	(darwin_label_is_anonymous_local_objc_name): Likewise.
	(darwin_asm_named_section): Likewise.
	(darwin_asm_output_dwarf_offset): Likewise.
	* config/frv/frv.c (frv_string_begins_with): Likewise.
	(frv_in_small_data_p): Likewise.
	* config/gcn/mkoffload.c (STR): Likewise.
	(main): Likewise.
	* config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
	* config/i386/i386-options.c (ix86_option_override_internal): Likewise.
	* config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
	(ix86_md_asm_adjust): Likewise.
	* config/i386/intelmic-mkoffload.c (STR): Likewise.
	* config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
	(i386_pe_file_end): Likewise.
	* config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
	(ia64_section_type_flags): Likewise.
	* config/mips/driver-native.c (host_detect_local_cpu): Likewise.
	* config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
	(mips16_stub_function_p): Likewise.
	(mips_function_rodata_section): Likewise.
	* config/msp430/msp430.c (msp430_mcu_name): Likewise.
	(msp430_function_section): Likewise.
	(msp430_section_type_flags): Likewise.
	(msp430_expand_helper): Likewise.
	* config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
	(nios2_valid_target_attribute_rec): Likewise.
	* config/nvptx/mkoffload.c (process): Likewise.
	(STR): Likewise.
	* config/pa/som.h: Likewise.
	* config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
	* config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
	* config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
	(rs6000_inner_target_options): Likewise.
	* config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
	* config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
	* config/vax/vax.c (vax_output_int_move): Likewise.
	* config/vms/vms-ld.c (startswith): Likewise.
	(process_args): Likewise.
	(main): Likewise.
	* config/vms/vms.c: Likewise.

1 files changed, 15 insertions, 7 deletions

diff --git a/gcc/config/vms/vms-ld.c b/gcc/config/vms/vms-ld.c
index 451ad0d..121aebd 100644
--- a/gcc/config/vms/vms-ld.c
+++ b/gcc/config/vms/vms-ld.c
@@ -94,6 +94,14 @@ static int translate_unix (char *, int);
 #endif
 
 
+/* Return 1 if STR string starts with PREFIX.  */
+
+static inline int
+startswith (const char *str, const char *prefix)
+{
+  return strncmp (str, prefix, strlen (prefix)) == 0;
+}
+
 /* Append STR to the command line to invoke the linker.
    Expand the line as necessary to accommodate.  */
 
@@ -319,7 +327,7 @@ process_args (int argc, char **argv)
 
   for (i = 1; i < argc; i++)
     {
-      if (strncmp (argv[i], "-L", 2) == 0)
+      if (startswith (argv[i], "-L"))
 	{
           search_dirs = XRESIZEVEC(const char *, search_dirs,
                                    search_dirs_len + 1);
@@ -341,7 +349,7 @@ process_args (int argc, char **argv)
 	}
       else if (strcmp (argv[i], "-g0") == 0)
 	addarg ("/notraceback");
-      else if (strncmp (argv[i], "-g", 2) == 0)
+      else if (startswith (argv[i], "-g"))
 	{
 	  addarg ("/debug");
 	  debug = 1;
@@ -654,7 +662,7 @@ main (int argc, char **argv)
           /* Already handled.  */
           i++;
         }
-      else if (arg_len > 2 && strncmp (argv[i], "-l", 2) == 0)
+      else if (arg_len > 2 && startswith (argv[i], "-l"))
 	{
 	  const char *libname;
 
@@ -676,17 +684,17 @@ main (int argc, char **argv)
 	    }
 	}
       else if (strcmp (argv[i], "-v" ) == 0
-	       || strncmp (argv[i], "-g", 2 ) == 0
+	       || startswith (argv[i], "-g")
 	       || strcmp (argv[i], "-static" ) == 0
 	       || strcmp (argv[i], "-map" ) == 0
 	       || strcmp (argv[i], "-save-temps") == 0
 	       || strcmp (argv[i], "--noinhibit-exec") == 0
-	       || (arg_len > 2 && strncmp (argv[i], "-L", 2) == 0)
-	       || (arg_len >= 6 && strncmp (argv[i], "-share", 6) == 0))
+	       || (arg_len > 2 && startswith (argv[i], "-L"))
+	       || (arg_len >= 6 && startswith (argv[i], "-share")))
         {
           /* Already handled.  */
         }
-      else if (strncmp (argv[i], "--opt=", 6) == 0)
+      else if (startswith (argv[i], "--opt="))
 	fprintf (optfile, "%s\n", argv[i] + 6);
       else if (arg_len > 1 && argv[i][0] == '@')
 	{