From 8fa083166991fbaf31f8e81cfbc388d39792bccf Mon Sep 17 00:00:00 2001 From: Josef Zlomek Date: Thu, 20 Feb 2003 09:54:48 +0100 Subject: [PATCH] combine.c (distribute_notes): Kill REG_EXEC_COUNT. * combine.c (distribute_notes): Kill REG_EXEC_COUNT. * rtl.c (reg_note_name): Likewise. * rtl.h (enum reg_note): Likewise. * doc/invoke.texi: Likewise. * doc/rtl.texi: Likewise. From-SVN: r63157 --- gcc/ChangeLog | 8 ++++++++ gcc/combine.c | 1 - gcc/doc/invoke.texi | 3 +-- gcc/doc/rtl.texi | 6 ------ gcc/rtl.c | 2 +- gcc/rtl.h | 5 ----- 6 files changed, 10 insertions(+), 15 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c20a009a7bc..48b76d72d5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2003-02-20 Josef Zlomek + + * combine.c (distribute_notes): Kill REG_EXEC_COUNT. + * rtl.c (reg_note_name): Likewise. + * rtl.h (enum reg_note): Likewise. + * doc/invoke.texi: Likewise. + * doc/rtl.texi: Likewise. + 2003-02-20 Josef Zlomek * bb-reorder.c (find_traces_1_round): Fix comment typo. diff --git a/gcc/combine.c b/gcc/combine.c index 8f126568c80..ce4d3aa35dc 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -12583,7 +12583,6 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1) { case REG_BR_PROB: case REG_BR_PRED: - case REG_EXEC_COUNT: /* Doesn't matter much where we put this, as long as it's somewhere. It is preferable to keep these notes on branches, which is most likely to be i3. */ diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index c57e9d9fcca..c4828d6176d 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4241,8 +4241,7 @@ file The information in this data file is very dependent on the structure of the generated code, so you must use the same source code and the same optimization options for both compilations. -With @option{-fbranch-probabilities}, GCC puts a @samp{REG_EXEC_COUNT} -note on the first instruction of each basic block, and a +With @option{-fbranch-probabilities}, GCC puts a @samp{REG_BR_PROB} note on each @samp{JUMP_INSN} and @samp{CALL_INSN}. These can be used to improve optimization. Currently, they are only used in one place: in @file{reorg.c}, instead of guessing which path a diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index 7e696fac38b..b7b5b30692d 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -3283,12 +3283,6 @@ are stored in the @code{REG_NOTES} field of an insn as an @code{expr_list}. @table @code -@findex REG_EXEC_COUNT -@item REG_EXEC_COUNT -This is used to indicate the number of times a basic block was executed -according to the profile data. The note is attached to the first insn in -the basic block. - @findex REG_BR_PROB @item REG_BR_PROB This is used to specify the ratio of branches to non-branches of a diff --git a/gcc/rtl.c b/gcc/rtl.c index 6414aec7d6c..8e1176d4127 100644 --- a/gcc/rtl.c +++ b/gcc/rtl.c @@ -228,7 +228,7 @@ const char * const reg_note_name[] = "REG_WAS_0", "REG_RETVAL", "REG_LIBCALL", "REG_NONNEG", "REG_NO_CONFLICT", "REG_UNUSED", "REG_CC_SETTER", "REG_CC_USER", "REG_LABEL", "REG_DEP_ANTI", "REG_DEP_OUTPUT", "REG_BR_PROB", - "REG_EXEC_COUNT", "REG_NOALIAS", "REG_SAVE_AREA", "REG_BR_PRED", + "REG_NOALIAS", "REG_SAVE_AREA", "REG_BR_PRED", "REG_FRAME_RELATED_EXPR", "REG_EH_CONTEXT", "REG_EH_REGION", "REG_SAVE_NOTE", "REG_MAYBE_DEAD", "REG_NORETURN", "REG_NON_LOCAL_GOTO", "REG_SETJMP", "REG_ALWAYS_RETURN", diff --git a/gcc/rtl.h b/gcc/rtl.h index 7758a92f724..680550a6520 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -688,11 +688,6 @@ enum reg_note return. */ REG_BR_PROB, - /* REG_EXEC_COUNT is attached to the first insn of each basic block, and - the first insn after each CALL_INSN. It indicates how many times this - block was executed. */ - REG_EXEC_COUNT, - /* Attached to a call insn; indicates that the call is malloc-like and that the pointer returned cannot alias anything else. */ REG_NOALIAS,