From 2a406d2ae31d549bf9339a8c425c653db72e1c80 Mon Sep 17 00:00:00 2001 From: Richard Stallman Date: Tue, 27 Oct 1992 05:25:18 +0000 Subject: [PATCH] Comment changes. From-SVN: r2620 --- gcc/rtl.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gcc/rtl.h b/gcc/rtl.h index 4c2179c59b3..dcc359c7b80 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -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. */ -- 2.30.2