[ARM] Complete legend for ARM register allocation in arm.h

2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    * config/arm/arm.h: explain F symbol found in description of ARM
    register allocation in its legend.

From-SVN: r248880

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index aad3ea9f3771c738e452acaf27f078268b849889..dff5e1ea4af332d1a9f239d98d8396ca7c5b1ea4 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+       * config/arm/arm.h: explain F symbol found in description of ARM
+       register allocation in its legend.
+
 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
 
        * config/mips/frame-header-opt.c: Include profile-count.h.

diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 275004af93893ca77e50705c01d24b00c03f206f..f9e4356756a02dae9925a876ed841f72cf4f087f 100644 (file)
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -682,7 +682,7 @@ extern int arm_arch_cmse;
 /* Standard register usage.  */
 
 /* Register allocation in ARM Procedure Call Standard
-   (S - saved over call).
+   (S - saved over call, F - Frame-related).
 
        r0         *    argument word/integer result
        r1-r3           argument word