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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> 2016-10-12 Martin Liska <mliska@suse.cz>
* gimple-fold.c (create_tmp_reg_or_ssa_name): New function. * 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 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 VALUE is SP_BASED_VALUE_P in cselib.c.
1 in a SUBREG generated by LRA for reload insns. 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; unsigned int jump : 1;
/* In a CODE_LABEL, part of the two-bit alternate entry field. /* In a CODE_LABEL, part of the two-bit alternate entry field.
1 in a MEM if it cannot trap. 1 in a MEM if it cannot trap.
1 in a CALL_INSN logically equivalent to 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; unsigned int call : 1;
/* 1 in a REG, MEM, or CONCAT if the value is set at most once, anywhere. /* 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. 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 JUMP_INSN of an annulling branch.
1 in a CONCAT is VAL_EXPR_IS_CLOBBERED in var-tracking.c. 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 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; unsigned int unchanging : 1;
/* 1 in a MEM or ASM_OPERANDS expression if the memory reference is volatile. /* 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 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 1 in a LABEL_REF, REG_LABEL_TARGET or REG_LABEL_OPERAND note for a
non-local label. non-local label.
In a SYMBOL_REF, this flag is used for machine-specific purposes. 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 In a PREFETCH, this flag indicates that it should be considered a
barrier. scheduling barrier.
1 in a CONCAT is VAL_NEEDS_RESOLUTION in var-tracking.c. */ 1 in a CONCAT is VAL_NEEDS_RESOLUTION in var-tracking.c.
Dumped as "/v" in RTL dumps. */
unsigned int volatil : 1; unsigned int volatil : 1;
/* 1 in a REG if the register is used only in exit code a loop. /* 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 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. cleared before used.
The name of the field is historical. It used to be used in MEMs 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; unsigned int in_struct : 1;
/* At the end of RTL generation, 1 if this rtx is used. This is used for /* At the end of RTL generation, 1 if this rtx is used. This is used for
copying shared structure. See `unshare_all_rtl'. 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 REG or MEM if it is a pointer.
1 in a SYMBOL_REF if it addresses something in the per-function 1 in a SYMBOL_REF if it addresses something in the per-function
constant string pool. 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; unsigned frame_related : 1;
/* 1 in a REG or PARALLEL that is the current function's return value. /* 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 SYMBOL_REF for a weak symbol.
1 in a CALL_INSN logically equivalent to ECF_PURE and DECL_PURE_P. 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 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; unsigned return_val : 1;
union { union {