diff options
| author | Andreas Jaeger <aj@suse.de> | 2003-07-06 11:56:09 +0200 |
|---|---|---|
| committer | Andreas Jaeger <aj@gcc.gnu.org> | 2003-07-06 11:56:09 +0200 |
| commit | 0c20a65f04004843874f9e22c460207285dfdec1 (patch) | |
| tree | 4fb7a1aaa85c3c4aeda23d46346034b73d069df2 /gcc/regs.h | |
| parent | 391cfc46896ec536a390f09b192b58c558e02b05 (diff) | |
| download | gcc-0c20a65f04004843874f9e22c460207285dfdec1.zip gcc-0c20a65f04004843874f9e22c460207285dfdec1.tar.gz gcc-0c20a65f04004843874f9e22c460207285dfdec1.tar.bz2 | |
jump.c: Convert prototypes to ISO C90.
* jump.c: Convert prototypes to ISO C90.
* langhooks-def.h: Likewise. Add extern to prototypes.
* langhooks.c: Likewise.
* langhooks.h: Likewise.
* lcm.c: Likewise.
* local-alloc.c: Likewise.
* loop-init.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* loop.h: Likewise. Add extern to prototypes.
* machmode.h: Likewise.
* main.c: Likewise.
* mbchar.c: Likewise.
* mbchar.h: Likewise.
* mkdeps.c: Likewise.
* mkdeps.h: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* output.h: Likewise.
* gccspec.c: Likwise.
* postreload.c: Likewise.
* prefix.c: Likewise.
* prefix.h: Likewise.
* print-rtl.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* read-rtl.c: Likewise.
* real.c: Likewise.
* real.h: Likewise.
* recog.c: Likewise.
* recog.h: Likewise.
* reg-stack.c: Likewise.
* regclass.c: Likewise.
* regmove.c: Likewise.
* regrename.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* resource.h: Likewise.
* rtl-error.c: Likewise.
* rtl.c: Likewise.
* rtl.h: Likewise.
* rtlanal.c: Likewise.
From-SVN: r68998
Diffstat (limited to 'gcc/regs.h')
| -rw-r--r-- | gcc/regs.h | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -60,7 +60,7 @@ typedef struct reg_info_def int live_length; /* # of instructions (REG n) is live */ int calls_crossed; /* # of calls (REG n) is live across */ int basic_block; /* # of basic blocks (REG n) is used in */ - char changes_mode; /* whether (SUBREG (REG n)) exists and + char changes_mode; /* whether (SUBREG (REG n)) exists and is illegal. */ } reg_info; @@ -76,7 +76,7 @@ extern bitmap_head subregs_of_mode; #define REG_FREQ(N) (VARRAY_REG (reg_n_info, N)->freq) -/* The weights for each insn varries from 0 to REG_FREQ_BASE. +/* The weights for each insn varries from 0 to REG_FREQ_BASE. This constant does not need to be high, as in infrequently executed regions we want to count instructions equivalently to optimize for size instead of speed. */ @@ -213,11 +213,11 @@ extern int caller_save_needed; choose_hard_reg_mode (REGNO, NREGS) #endif -/* Registers that get partially clobbered by a call in a given mode. +/* Registers that get partially clobbered by a call in a given mode. These must not be call used registers. */ #ifndef HARD_REGNO_CALL_PART_CLOBBERED #define HARD_REGNO_CALL_PART_CLOBBERED(REGNO, MODE) 0 #endif /* Allocate reg_n_info tables */ -extern void allocate_reg_info PARAMS ((size_t, int, int)); +extern void allocate_reg_info (size_t, int, int); |