The munalign-prob-threshold option is obsolete, remove it.
gcc/
xxxx-xx-xx Claudiu Zissulescu <claz...@synopsys.com>
* config/arc/arc.opt (munalign-prob-threshold): Remove option.
* doc/invoke.texi (ARC): Remove munalign-prob-threshold doc.
* config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
---
gcc/config/arc/arc.c | 23 -----------------------
gcc/config/arc/arc.opt | 6 ------
gcc/doc/invoke.texi | 11 +----------
3 files changed, 1 insertion(+), 39 deletions(-)
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index c57febd3783..af26e5b9711 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -9920,29 +9920,6 @@ gen_acc2 (void)
return gen_rtx_REG (SImode, TARGET_BIG_ENDIAN ? 57: 56);
}
-/* FIXME: a parameter should be added, and code added to final.c,
- to reproduce this functionality in shorten_branches. */
-#if 0
-/* Return nonzero iff BRANCH should be unaligned if possible by upsizing
- a previous instruction. */
-int
-arc_unalign_branch_p (rtx branch)
-{
- rtx note;
-
- if (!TARGET_UNALIGN_BRANCH)
- return 0;
- /* Do not do this if we have a filled delay slot. */
- if (get_attr_delay_slot_filled (branch) == DELAY_SLOT_FILLED_YES
- && !NEXT_INSN (branch)->deleted ())
- return 0;
- note = find_reg_note (branch, REG_BR_PROB, 0);
- return (!note
- || (arc_unalign_prob_threshold && !br_prob_note_reliable_p (note))
- || INTVAL (XEXP (note, 0)) < arc_unalign_prob_threshold);
-}
-#endif
-
/* When estimating sizes during arc_reorg, when optimizing for speed, there
are three reasons why we need to consider branches to be length 6:
- annull-false delay slot insns are implemented using conditional execution,
diff --git a/gcc/config/arc/arc.opt b/gcc/config/arc/arc.opt
index a8af5138183..244c3abd86d 100644
--- a/gcc/config/arc/arc.opt
+++ b/gcc/config/arc/arc.opt
@@ -287,12 +287,6 @@ mmul32x16
Target Report Mask(MULMAC_32BY16_SET)
Generate 32x16 multiply and mac instructions.
-; the initializer is supposed to be: Init(REG_BR_PROB_BASE/2) ,
-; alas, basic-block.h is not included in options.c .
-munalign-prob-threshold=
-Target RejectNegative Joined UInteger Var(arc_unalign_prob_threshold)
Init(10000/2)
-Set probability threshold for unaligning branches.
-
mmedium-calls
Target Var(TARGET_MEDIUM_CALLS) Init(TARGET_MMEDIUM_CALLS_DEFAULT)
Don't use less than 25 bit addressing range for calls.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 802d36d4098..51c2d6d04de 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -729,7 +729,7 @@ Objective-C and Objective-C++ Dialects}.
-mlra-priority-compact mlra-priority-noncompact -mmillicode @gol
-mq-class -mRcq -mRcw -msize-level=@var{level} @gol
-mtune=@var{cpu} -mmultcost=@var{num} -mcode-density-frame @gol
--munalign-prob-threshold=@var{probability} -mmpy-option=@var{multo} @gol
+-mmpy-option=@var{multo} @gol
-mdiv-rem -mcode-density -mll64 -mfpu=@var{fpu} -mrf16 -mbranch-index}
@emph{ARM Options}
@@ -18031,15 +18031,6 @@ Tune for ARC4x release 3.10a.
Cost to assume for a multiply instruction, with @samp{4} being equal to a
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.
-
@end table
The following options are maintained for backward compatibility, but
--
2.24.1
