rtl.h (enum insn_note): New enumeration.
* rtl.h (enum insn_note): New enumeration. Subsume
NOTE_INSN_DELETED and friends.
(GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
* rtl.c (note_insn_name): Tweek string order.
From-SVN: r33187
This commit is contained in:
Richard Henderson
Richard Henderson
parent
aa95639ea8
commit
d636c18c54
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@ -1,3 +1,10 @@
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2000-04-16 Richard Henderson <rth@cygnus.com>
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* rtl.h (enum insn_note): New enumeration. Subsume
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NOTE_INSN_DELETED and friends.
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(GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
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* rtl.c (note_insn_name): Tweek string order.
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2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
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* cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
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@ -235,13 +235,13 @@ const char rtx_class[] = {
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/* Names for kinds of NOTEs and REG_NOTEs. */
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const char * const note_insn_name[] =
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const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS] =
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{
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0, "NOTE_INSN_DELETED",
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"", "NOTE_INSN_DELETED",
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"NOTE_INSN_BLOCK_BEG", "NOTE_INSN_BLOCK_END",
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"NOTE_INSN_LOOP_BEG", "NOTE_INSN_LOOP_END",
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"NOTE_INSN_FUNCTION_END", "NOTE_INSN_SETJMP",
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"NOTE_INSN_LOOP_CONT", "NOTE_INSN_LOOP_VTOP",
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"NOTE_INSN_FUNCTION_END", "NOTE_INSN_SETJMP",
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"NOTE_INSN_PROLOGUE_END", "NOTE_INSN_EPILOGUE_BEG",
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"NOTE_INSN_DELETED_LABEL", "NOTE_INSN_FUNCTION_BEG",
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"NOTE_INSN_EH_REGION_BEG", "NOTE_INSN_EH_REGION_END",
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119
gcc/rtl.h
119
gcc/rtl.h
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@ -595,56 +595,83 @@ extern const char * const reg_note_name[];
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should add a new value here, don't forget to change the
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note_insn_name array in rtl.c. */
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/* This note is used to get rid of an insn
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when it isn't safe to patch the insn out of the chain. */
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#define NOTE_INSN_DELETED -1
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#define NOTE_INSN_BLOCK_BEG -2
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#define NOTE_INSN_BLOCK_END -3
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#define NOTE_INSN_LOOP_BEG -4
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#define NOTE_INSN_LOOP_END -5
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/* This kind of note is generated at the end of the function body,
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just before the return insn or return label.
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In an optimizing compilation it is deleted by the first jump optimization,
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after enabling that optimizer to determine whether control can fall
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off the end of the function body without a return statement. */
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#define NOTE_INSN_FUNCTION_END -6
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/* This kind of note is generated just after each call to `setjmp', et al. */
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#define NOTE_INSN_SETJMP -7
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/* Generated at the place in a loop that `continue' jumps to. */
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#define NOTE_INSN_LOOP_CONT -8
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/* Generated at the start of a duplicated exit test. */
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#define NOTE_INSN_LOOP_VTOP -9
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/* This marks the point immediately after the last prologue insn. */
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#define NOTE_INSN_PROLOGUE_END -10
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/* This marks the point immediately prior to the first epilogue insn. */
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#define NOTE_INSN_EPILOGUE_BEG -11
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/* Generated in place of user-declared labels when they are deleted. */
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#define NOTE_INSN_DELETED_LABEL -12
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/* This note indicates the start of the real body of the function,
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i.e. the point just after all of the parms have been moved into
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their homes, etc. */
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#define NOTE_INSN_FUNCTION_BEG -13
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/* These note where exception handling regions begin and end. */
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#define NOTE_INSN_EH_REGION_BEG -14
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#define NOTE_INSN_EH_REGION_END -15
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/* Generated whenever a duplicate line number note is output. For example,
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one is output after the end of an inline function, in order to prevent
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the line containing the inline call from being counted twice in gcov. */
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#define NOTE_REPEATED_LINE_NUMBER -16
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enum insn_note
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{
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/* Keep all of these numbers negative. Adjust as needed. */
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NOTE_INSN_BIAS = -100,
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/* Start/end of a live range region, where pseudos allocated on the stack can
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be allocated to temporary registers. */
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#define NOTE_INSN_RANGE_START -17
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#define NOTE_INSN_RANGE_END -18
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/* Record which registers are currently live. */
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#define NOTE_INSN_LIVE -19
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/* Record the struct for the following basic block. */
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#define NOTE_INSN_BASIC_BLOCK -20
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/* This note is used to get rid of an insn
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when it isn't safe to patch the insn out of the chain. */
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NOTE_INSN_DELETED,
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/* These are used to mark the beginning and end of a lexical block.
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See NOTE_BLOCK, identify_blocks and reorder_blocks. */
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NOTE_INSN_BLOCK_BEG,
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NOTE_INSN_BLOCK_END,
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/* These mark the extremes of a loop. */
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NOTE_INSN_LOOP_BEG,
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NOTE_INSN_LOOP_END,
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/* Generated at the place in a loop that `continue' jumps to. */
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NOTE_INSN_LOOP_CONT,
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/* Generated at the start of a duplicated exit test. */
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NOTE_INSN_LOOP_VTOP,
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/* This kind of note is generated at the end of the function body,
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just before the return insn or return label. In an optimizing
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compilation it is deleted by the first jump optimization, after
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enabling that optimizer to determine whether control can fall
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off the end of the function body without a return statement. */
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NOTE_INSN_FUNCTION_END,
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/* This kind of note is generated just after each call to `setjmp',
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and similar functions that can return twice. */
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NOTE_INSN_SETJMP,
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/* This marks the point immediately after the last prologue insn. */
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NOTE_INSN_PROLOGUE_END,
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/* This marks the point immediately prior to the first epilogue insn. */
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NOTE_INSN_EPILOGUE_BEG,
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/* Generated in place of user-declared labels when they are deleted. */
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NOTE_INSN_DELETED_LABEL,
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/* This note indicates the start of the real body of the function,
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i.e. the point just after all of the parms have been moved into
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their homes, etc. */
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NOTE_INSN_FUNCTION_BEG,
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/* These note where exception handling regions begin and end.
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Uses NOTE_EH_HANDLER to identify the region in question. */
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NOTE_INSN_EH_REGION_BEG,
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NOTE_INSN_EH_REGION_END,
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/* Generated whenever a duplicate line number note is output. For example,
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one is output after the end of an inline function, in order to prevent
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the line containing the inline call from being counted twice in gcov. */
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NOTE_REPEATED_LINE_NUMBER,
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/* Start/end of a live range region, where pseudos allocated on the stack
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can be allocated to temporary registers. Uses NOTE_RANGE_INFO. */
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NOTE_INSN_RANGE_START,
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NOTE_INSN_RANGE_END,
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/* Record which registers are currently live. Uses NOTE_LIVE_INFO. */
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NOTE_INSN_LIVE,
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/* Record the struct for the following basic block. Uses NOTE_BASIC_BLOCK. */
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NOTE_INSN_BASIC_BLOCK,
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NOTE_INSN_MAX
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};
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/* Names for NOTE insn's other than line numbers. */
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extern const char * const note_insn_name[];
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#define GET_NOTE_INSN_NAME(NOTE_CODE) (note_insn_name[-(NOTE_CODE)])
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extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS];
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#define GET_NOTE_INSN_NAME(NOTE_CODE) \
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(note_insn_name[(NOTE_CODE) - NOTE_INSN_BIAS])
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/* The name of a label, in case it corresponds to an explicit label
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in the input source code. */
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