* config/i386/i386.opt (flag_fentry): Do not init to -1.

	* config/i386/i386.c (ix86_option_override_internal): Simplify
	setting of opts->x_flag_entry.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@251416 138bc75d-0d04-0410-961f-82ee72b054a4

Author: uros

gcc/ChangeLog

@@ -1,3 +1,9 @@
+2017-08-29  Uros Bizjak  <[email protected]>
+
+	* config/i386/i386.opt (flag_fentry): Do not init to -1.
+	* config/i386/i386.c (ix86_option_override_internal): Simplify
+	setting of opts->x_flag_entry.
+
 2017-08-29  Bill Schmidt  <[email protected]>
 	    Jakub Jelinek  <[email protected]>
 	    Richard Biener  <[email protected]>
@@ -461,8 +467,7 @@
 
 2017-08-22  Richard Biener  <[email protected]>
 
-	* tree-cfg.c (gimple_split_edge): Avoid reallocating target
-	PHI nodes.
+	* tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
 
 2017-08-22  Richard Biener  <[email protected]>
 
@@ -500,8 +505,7 @@
 	(-mvsx-scalar-double): Likewise.
 	(-mallow-df-permute): Likewise.
 	(-mvectorize-builtins): Likewise.
-	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
-	Likewise.
+	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
 	(rs6000_builtin_vectorized_function): Likewise.
 	(rs6000_builtin_md_vectorized_function): Likewise.
 	(rs6000_opt_vars): Likewise.

gcc/config/i386/i386.c

@@ -6545,27 +6545,18 @@ ix86_option_override_internal (bool main_args_p,
     opts->x_target_flags |= MASK_CLD & ~opts_set->x_target_flags;
 #endif
 
-  if (!TARGET_64BIT_P (opts->x_ix86_isa_flags) && opts->x_flag_pic)
+  /* Set the default value for -mfentry.  */
+  if (!opts_set->x_flag_fentry)
+    opts->x_flag_fentry = TARGET_SEH;
+  else
     {
-      if (opts->x_flag_fentry > 0)
-        sorry ("-mfentry isn%'t supported for 32-bit in combination "
+      if (!TARGET_64BIT_P (opts->x_ix86_isa_flags) && opts->x_flag_pic
+	  && opts->x_flag_fentry)
+	sorry ("-mfentry isn%'t supported for 32-bit in combination "
 	       "with -fpic");
-      opts->x_flag_fentry = 0;
-    }
-  else if (TARGET_SEH)
-    {
-      if (opts->x_flag_fentry == 0)
+      else if (TARGET_SEH && !opts->x_flag_fentry)
 	sorry ("-mno-fentry isn%'t compatible with SEH");
-      opts->x_flag_fentry = 1;
     }
-  else if (opts->x_flag_fentry < 0)
-   {
-#if defined(PROFILE_BEFORE_PROLOGUE)
-     opts->x_flag_fentry = 1;
-#else
-     opts->x_flag_fentry = 0;
-#endif
-   }
 
   if (TARGET_SEH && TARGET_CALL_MS2SYSV_XLOGUES)
     sorry ("-mcall-ms2sysv-xlogues isn%'t currently supported with SEH");

gcc/config/i386/i386.opt

@@ -862,7 +862,7 @@ Target Report Mask(ISA_PREFETCHWT1) Var(ix86_isa_flags) Save
 Support PREFETCHWT1 built-in functions and code generation.
 
 mfentry
-Target Report Var(flag_fentry) Init(-1)
+Target Report Var(flag_fentry)
 Emit profiling counter call at function entry before prologue.
 
 mrecord-mcount