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author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-08-07 12:50:40 +0000 |
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committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-08-07 12:50:40 +0000 |
commit | 0871512765b4212d14841d14cab11f8a008049f2 (patch) | |
tree | 4ca4c9f9611b25794290f176eea004ed849271d5 /gcc/regs.h | |
parent | f3ba5c6a46451d8ce4a1a6283683acf071d855ff (diff) | |
download | gcc-0871512765b4212d14841d14cab11f8a008049f2.tar.gz |
(reg_changes_size): Add declaration.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@7863 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/regs.h')
-rw-r--r-- | gcc/regs.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/regs.h b/gcc/regs.h index 47463bf3a7b..1b394b20c6e 100644 --- a/gcc/regs.h +++ b/gcc/regs.h @@ -1,5 +1,5 @@ /* Define per-register tables for data flow info and register allocation. - Copyright (C) 1987, 1993 Free Software Foundation, Inc. + Copyright (C) 1987, 1993, 1994 Free Software Foundation, Inc. This file is part of GNU CC. @@ -53,6 +53,12 @@ extern short *reg_n_sets; extern short *reg_n_deaths; +/* Indexed by N; says whether a psuedo register N was ever used + within a SUBREG that changes the size of the reg. Some machines prohibit + such objects to be in certain (usually floating-point) registers. */ + +extern char *reg_changes_size; + /* Get the number of consecutive words required to hold pseudo-reg N. */ #define PSEUDO_REGNO_SIZE(N) \ |