Rename ix86_split_stack_boundary to ix86_split_stack_guard.

From-SVN: r251039

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ccb553b909fdde20462590293140dbb6b135c151..f2105979894a38b9fe286894223e6257cf0601bd 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,13 +1,13 @@
 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
 
-       * config/i386/i386-protos.h (ix86_split_stack_boundary): New prototype.
-       * config/i386/i386.c (ix86_split_stack_boundary): New function.
-       (ix86_xpand_split_stack_prologue): Call ix86_split_stack_boundary.
+       * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
+       * config/i386/i386.c (ix86_split_stack_guard): New function.
+       (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
        (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
        (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
        (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
        * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
-       (split_stack_space_check): Call ix86_split_stack_boundary.
+       (split_stack_space_check): Call ix86_split_stack_guard.
 
 2017-08-10  Martin Sebor  <msebor@redhat.com>
 

diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
index ae945cb8c9ebefde537aeb6c69e181221593ba4e..2c15ba8505cc1badd723324b35ff1e0f0c1db66d 100644 (file)
--- a/gcc/config/i386/i386-protos.h
+++ b/gcc/config/i386/i386-protos.h
@@ -201,7 +201,7 @@ extern void ix86_expand_truncdf_32 (rtx, rtx);
 
 extern void ix86_expand_vecop_qihi (enum rtx_code, rtx, rtx, rtx);
 
-extern rtx ix86_split_stack_boundary (void);
+extern rtx ix86_split_stack_guard (void);
 
 #ifdef TREE_CODE
 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 1204e111bb857b5542a825d48a71083df0ee1173..9d59c78cada8bc31a97eba9ee05226d2c0fc5c38 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -15785,15 +15785,17 @@ static GTY(()) rtx split_stack_fn;
 
 static GTY(()) rtx split_stack_fn_large;
 
-/* Return location of the stack boundary value in the TLS block.  */
+/* Return location of the stack guard value in the TLS block.  */
 
 rtx
-ix86_split_stack_boundary (void)
+ix86_split_stack_guard (void)
 {
   int offset;
   addr_space_t as = DEFAULT_TLS_SEG_REG;
   rtx r;
 
+  gcc_assert (flag_split_stack);
+
 #ifdef TARGET_THREAD_SPLIT_STACK_OFFSET
   offset = TARGET_THREAD_SPLIT_STACK_OFFSET;
 #else
@@ -15838,7 +15840,7 @@ ix86_expand_split_stack_prologue (void)
      us SPLIT_STACK_AVAILABLE bytes, so if we need less than that we
      can compare directly.  Otherwise we need to do an addition.  */
 
-  limit = ix86_split_stack_boundary ();
+  limit = ix86_split_stack_guard ();
 
   if (allocate < SPLIT_STACK_AVAILABLE)
     current = stack_pointer_rtx;

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 8ccc975049ad2e0d28c1e3593bc830a6e2906db9..3af3b7aed4fb94395e264a2f15cd76ab35136721 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -12638,7 +12638,7 @@
 
   emit_insn (gen_sub3_insn (reg, stack_pointer_rtx, operands[0]));
 
-  operands[2] = ix86_split_stack_boundary ();
+  operands[2] = ix86_split_stack_guard ();
   ix86_expand_branch (GEU, reg, operands[2], operands[1]);
 
   DONE;