re PR target/85321 (Missing documentation and option misc for ppc64le)

2018-04-11  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/85321
	* doc/invoke.texi (RS/6000 and PowerPC Options): Document options
	-mcall- and -mtraceback=. Remove options -mabi=spe and -mabi=no-spe
	from PowerPC section.
	* config/rs6000/sysv4.opt (mcall-): Improve help text.
	* config/rs6000/rs6000.opt (mblock-compare-inline-limit=): Trim
	help text that is too long.
	* config/rs6000/rs6000.opt (mblock-compare-inline-loop-limit=): Trim
	help text that is too long.
	* config/rs6000/rs6000.opt (mstring-compare-inline-limit=): Trim
	help text that is too long.

From-SVN: r259324

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24a2455a1a518796fd08bfe44775796200bf64bf..ff66dd4ba53d4ec68d8ffda008e4677b89394b02 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2018-04-11  Aaron Sawdey  <acsawdey@linux.ibm.com>
+
+       PR target/85321
+       * doc/invoke.texi (RS/6000 and PowerPC Options): Document options
+       -mcall- and -mtraceback=. Remove options -mabi=spe and -mabi=no-spe
+       from PowerPC section.
+       * config/rs6000/sysv4.opt (mcall-): Improve help text.
+       * config/rs6000/rs6000.opt (mblock-compare-inline-limit=): Trim
+       help text that is too long.
+       * config/rs6000/rs6000.opt (mblock-compare-inline-loop-limit=): Trim
+       help text that is too long.
+       * config/rs6000/rs6000.opt (mstring-compare-inline-limit=): Trim
+       help text that is too long.
+
 2018-04-11  Uros Bizjak  <ubizjak@gmail.com>
 
        * config/alpha/alpha.md (stack_probe_internal): Rename

diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 596f3fb029e796155092913a76caec50c179106f..006f16cbe3e17935a60fbf41a0c0a86d013a58d7 100644 (file)
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -331,19 +331,19 @@ Deprecated option.  Use -mvrsave instead.
 
 mblock-move-inline-limit=
 Target Report Var(rs6000_block_move_inline_limit) Init(0) RejectNegative Joined UInteger Save
-Specify how many bytes should be moved inline before calling out to memcpy/memmove.
+Max number of bytes to move inline.
 
 mblock-compare-inline-limit=
 Target Report Var(rs6000_block_compare_inline_limit) Init(31) RejectNegative Joined UInteger Save
-Specify the maximum number of bytes to compare inline with non-looping code. If this is set to 0, all inline expansion (non-loop and loop) of memcmp is disabled.
+Max number of bytes to compare without loops.
 
 mblock-compare-inline-loop-limit=
 Target Report Var(rs6000_block_compare_inline_loop_limit) Init(-1) RejectNegative Joined UInteger Save
-Specify the maximum number of bytes to compare inline with loop code generation.  If the length is not known at compile time, memcmp will be called after this many bytes are compared. By default, a length will be picked depending on the tuning target.
+Max number of bytes to compare with loops.
 
 mstring-compare-inline-limit=
 Target Report Var(rs6000_string_compare_inline_limit) Init(8) RejectNegative Joined UInteger Save
-Specify the maximum number pairs of load instructions that should be generated inline for the compare.  If the number needed exceeds the limit, a call to strncmp will be generated instead.
+Max number of pairs of load insns for compare.
 
 misel
 Target Report Mask(ISEL) Var(rs6000_isa_flags)

diff --git a/gcc/config/rs6000/sysv4.opt b/gcc/config/rs6000/sysv4.opt
index 50be7b1920a78a9459ff7c6f9449c19883302250..34fea0ddd08aaf701b8f7bbd10137ed4cdb688f7 100644 (file)
--- a/gcc/config/rs6000/sysv4.opt
+++ b/gcc/config/rs6000/sysv4.opt
@@ -21,7 +21,7 @@
 
 mcall-
 Target RejectNegative Joined Var(rs6000_abi_name)
-Select ABI calling convention.
+-mcall-ABI     Select ABI calling convention.
 
 msdata=
 Target RejectNegative Joined Var(rs6000_sdata_name)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 705cbf7db0a90322e618c80c985e23c71eac7c19..0194f48aced7519a892a18ce5647b26f811f2b8c 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -1076,7 +1076,10 @@ See RS/6000 and PowerPC Options.
 -mprioritize-restricted-insns=@var{priority} @gol
 -msched-costly-dep=@var{dependence_type} @gol
 -minsert-sched-nops=@var{scheme} @gol
--mcall-sysv  -mcall-netbsd @gol
+-mcall-aixdesc  -mcall-eabi  -mcall-freebsd  @gol
+-mcall-linux  -mcall-netbsd  -mcall-openbsd  @gol
+-mcall-sysv  -mcall-sysv-eabi  -mcall-sysv-noeabi @gol
+-mtraceback=@var{traceback_type} @gol
 -maix-struct-return  -msvr4-struct-return @gol
 -mabi=@var{abi-type}  -msecure-plt  -mbss-plt @gol
 -mblock-move-inline-limit=@var{num} @gol
@@ -23957,6 +23960,11 @@ NetBSD operating system.
 On System V.4 and embedded PowerPC systems compile code for the
 OpenBSD operating system.
 
+@item -mtraceback=@var{traceback_type}
+@opindex mtraceback
+Select the type of traceback table. Valid values for @var{traceback_type}
+are @samp{full}, @samp{part}, and @samp{no}.
+
 @item -maix-struct-return
 @opindex maix-struct-return
 Return all structures in memory (as specified by the AIX ABI)@.
@@ -23973,16 +23981,6 @@ Valid values are @samp{altivec}, @samp{no-altivec}, @samp{spe},
 @samp{no-spe}, @samp{ibmlongdouble}, @samp{ieeelongdouble},
 @samp{elfv1}, @samp{elfv2}@.
 
-@item -mabi=spe
-@opindex mabi=spe
-Extend the current ABI with SPE ABI extensions.  This does not change
-the default ABI, instead it adds the SPE ABI extensions to the current
-ABI@.
-
-@item -mabi=no-spe
-@opindex mabi=no-spe
-Disable Book-E SPE ABI extensions for the current ABI@.
-
 @item -mabi=ibmlongdouble
 @opindex mabi=ibmlongdouble
 Change the current ABI to use IBM extended-precision long double.