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rtl.h (struct rtx_def): Comment how RTX_FLAGS will be dumped in RTL dumps. 

* rtl.h (struct rtx_def): Comment how RTX_FLAGS will be
	dumped in RTL dumps.

From-SVN: r241037
This commit is contained in:
Georg-Johann Lay 2016-10-12 12:35:00 +00:00 committed by Georg-Johann Lay
parent fc3a3580da
commit 6e8323274a
2 changed files with 21 additions and 9 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-10-12 Georg-Johann Lay <avr@gjlay.de>
* rtl.h (struct rtx_def): Comment how RTX_FLAGS will be
dumped in RTL dumps.
2016-10-12 Martin Liska <mliska@suse.cz>
* gimple-fold.c (create_tmp_reg_or_ssa_name): New function.

25
gcc/rtl.h
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@ -317,12 +317,14 @@ struct GTY((desc("0"), tag("0"),
1 in a CONCAT is VAL_EXPR_IS_COPIED in var-tracking.c.
1 in a VALUE is SP_BASED_VALUE_P in cselib.c.
1 in a SUBREG generated by LRA for reload insns.
1 in a CALL for calls instrumented by Pointer Bounds Checker. */
1 in a CALL for calls instrumented by Pointer Bounds Checker.
Dumped as "/j" in RTL dumps. */
unsigned int jump : 1;
/* In a CODE_LABEL, part of the two-bit alternate entry field.
1 in a MEM if it cannot trap.
1 in a CALL_INSN logically equivalent to
ECF_LOOPING_CONST_OR_PURE and DECL_LOOPING_CONST_OR_PURE_P. */
ECF_LOOPING_CONST_OR_PURE and DECL_LOOPING_CONST_OR_PURE_P.
Dumped as "/c" in RTL dumps. */
unsigned int call : 1;
/* 1 in a REG, MEM, or CONCAT if the value is set at most once, anywhere.
1 in a SUBREG used for SUBREG_PROMOTED_UNSIGNED_P.
@ -333,7 +335,8 @@ struct GTY((desc("0"), tag("0"),
1 in a JUMP_INSN of an annulling branch.
1 in a CONCAT is VAL_EXPR_IS_CLOBBERED in var-tracking.c.
1 in a preserved VALUE is PRESERVED_VALUE_P in cselib.c.
1 in a clobber temporarily created for LRA. */
1 in a clobber temporarily created for LRA.
Dumped as "/u" in RTL dumps. */
unsigned int unchanging : 1;
/* 1 in a MEM or ASM_OPERANDS expression if the memory reference is volatile.
1 in an INSN, CALL_INSN, JUMP_INSN, CODE_LABEL, BARRIER, or NOTE
@ -344,9 +347,10 @@ struct GTY((desc("0"), tag("0"),
1 in a LABEL_REF, REG_LABEL_TARGET or REG_LABEL_OPERAND note for a
non-local label.
In a SYMBOL_REF, this flag is used for machine-specific purposes.
In a PREFETCH, this flag indicates that it should be considered a scheduling
barrier.
1 in a CONCAT is VAL_NEEDS_RESOLUTION in var-tracking.c. */
In a PREFETCH, this flag indicates that it should be considered a
scheduling barrier.
1 in a CONCAT is VAL_NEEDS_RESOLUTION in var-tracking.c.
Dumped as "/v" in RTL dumps. */
unsigned int volatil : 1;
/* 1 in a REG if the register is used only in exit code a loop.
1 in a SUBREG expression if was generated from a variable with a
@ -360,7 +364,8 @@ struct GTY((desc("0"), tag("0"),
cleared before used.
The name of the field is historical. It used to be used in MEMs
to record whether the MEM accessed part of a structure. */
to record whether the MEM accessed part of a structure.
Dumped as "/s" in RTL dumps. */
unsigned int in_struct : 1;
/* At the end of RTL generation, 1 if this rtx is used. This is used for
copying shared structure. See `unshare_all_rtl'.
@ -377,13 +382,15 @@ struct GTY((desc("0"), tag("0"),
1 in a REG or MEM if it is a pointer.
1 in a SYMBOL_REF if it addresses something in the per-function
constant string pool.
1 in a VALUE is VALUE_CHANGED in var-tracking.c. */
1 in a VALUE is VALUE_CHANGED in var-tracking.c.
Dumped as "/f" in RTL dumps. */
unsigned frame_related : 1;
/* 1 in a REG or PARALLEL that is the current function's return value.
1 in a SYMBOL_REF for a weak symbol.
1 in a CALL_INSN logically equivalent to ECF_PURE and DECL_PURE_P.
1 in a CONCAT is VAL_EXPR_HAS_REVERSE in var-tracking.c.
1 in a VALUE or DEBUG_EXPR is NO_LOC_P in var-tracking.c. */
1 in a VALUE or DEBUG_EXPR is NO_LOC_P in var-tracking.c.
Dumped as "/i" in RTL dumps. */
unsigned return_val : 1;
union {