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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2021-06-03 13:44:53 +0300 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2021-06-03 14:15:21 +0300 |
| commit | 592ed7db12ed0d6c71bca0cbfef6dcdf383bc24f (patch) | |
| tree | 2a9068f3ad4b2d850af459fe0095240e7a38de29 /gcc/doc | |
| parent | c1681f22b4b44096f7bd8a2cf42f54762305c3ae (diff) | |
| download | gcc-592ed7db12ed0d6c71bca0cbfef6dcdf383bc24f.zip gcc-592ed7db12ed0d6c71bca0cbfef6dcdf383bc24f.tar.gz gcc-592ed7db12ed0d6c71bca0cbfef6dcdf383bc24f.tar.bz2 | |
arc: Remove obsolete options
Remove the following obsolete options:
- munalign-prob-threshold
- malign-call
- mmixed-code
The ARC's options are marked as obsolete and ignored for backwards
compatibility.
gcc/
2021-06-03 Claudiu Zissulescu <claziss@synopsys.com>
* common/config/arc/arc-common.c (arc_option_optimization_table):
Remove malign-call.
* config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
* config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
(INDEX_REG_CLASS): Only refer to GENERAL_REGS.
* config/arc/arc.md (abssi2_mixed): Remove pattern.
* config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
(malign-call): Likewise.
(mmixed-code): Likewise.
* doc/invoke.texi (ARC): Update doc.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 08c3206..eb8142f 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -19255,7 +19255,7 @@ The following options fine tune code generation: @table @gcctabopt @item -malign-call @opindex malign-call -Do alignment optimizations for call instructions. +Does nothing. Preserved for backward compatibility. @item -mauto-modify-reg @opindex mauto-modify-reg @@ -19350,9 +19350,7 @@ code-density feature. @item -mmixed-code @opindex mmixed-code -Tweak register allocation to help 16-bit instruction generation. -This generally has the effect of decreasing the average instruction size -while increasing the instruction count. +Does nothing. Preserved for backward compatibility. @item -mq-class @opindex mq-class @@ -19428,12 +19426,7 @@ normal instruction. @item -munalign-prob-threshold=@var{probability} @opindex munalign-prob-threshold -Set probability threshold for unaligning branches. -When tuning for @samp{ARC700} and optimizing for speed, branches without -filled delay slot are preferably emitted unaligned and long, unless -profiling indicates that the probability for the branch to be taken -is below @var{probability}. @xref{Cross-profiling}. -The default is (REG_BR_PROB_BASE/2), i.e.@: 5000. +Does nothing. Preserved for backward compatibility. @end table |