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Comment changes. 

From-SVN: r2620
This commit is contained in:
Richard Stallman 1992-10-27 05:25:18 +00:00
parent 7c3b47229e
commit 2a406d2ae3
1 changed files with 3 additions and 1 deletions
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4
gcc/rtl.h
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@ -99,7 +99,8 @@ typedef struct rtx_def
if it is deleted.
1 in a REG expression if corresponds to a variable declared by the user.
0 for an internally generated temporary.
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 LABEL_REF or in a REG_LABEL note, this is LABEL_REF_NONLOCAL_P. */
unsigned int volatil : 1;
/* 1 in a MEM referring to a field of a structure (not a union!).
0 if the MEM was a variable or the result of a * operator in C;
@ -483,6 +484,7 @@ extern char *note_insn_name[];
#define LABEL_OUTSIDE_LOOP_P(RTX) ((RTX)->in_struct)
/* For a LABEL_REF, 1 means it is for a nonlocal label. */
/* Likewise in an EXPR_LIST for a REG_LABEL note. */
#define LABEL_REF_NONLOCAL_P(RTX) ((RTX)->volatil)
/* For a CODE_LABEL, 1 means always consider this label to be needed. */