diff options
| author | Richard Stallman <rms@gnu.org> | 1992-10-27 05:25:18 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-10-27 05:25:18 +0000 |
| commit | 2a406d2ae31d549bf9339a8c425c653db72e1c80 (patch) | |
| tree | 115c52e2f9e4b1cc9492a0bb0051e8aad1cda88d /gcc | |
| parent | 7c3b47229e0c69d6a0b0a7209b14cd58c2dc382a (diff) | |
| download | gcc-2a406d2ae31d549bf9339a8c425c653db72e1c80.zip gcc-2a406d2ae31d549bf9339a8c425c653db72e1c80.tar.gz gcc-2a406d2ae31d549bf9339a8c425c653db72e1c80.tar.bz2 | |
Comment changes.
From-SVN: r2620
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/rtl.h | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -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. */ |