mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2024-12-29 18:35:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

(allocno_compare): Use `const void *' arguments.

Browse Source 
From-SVN: r13131
This commit is contained in:
Richard Kenner 1996-11-12 14:03:37 -05:00
parent c6d4074117
commit daa6f17d84
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
gcc/global.c
View File

@ -251,7 +251,7 @@ static int n_regs_set;
static HARD_REG_SET eliminable_regset;
static int allocno_compare PROTO((int *, int *));
static int allocno_compare PROTO((const GENERIC_PTR, const GENERIC_PTR));
static void global_conflicts PROTO((void));
static void expand_preferences PROTO((void));
static void prune_preferences PROTO((void));
@ -584,27 +584,29 @@ global_alloc (file)
Returns -1 (1) if *v1 should be allocated before (after) *v2. */
static int
allocno_compare (v1, v2)
int *v1, *v2;
allocno_compare (v1p, v2p)
const GENERIC_PTR v1p;
const GENERIC_PTR v2p;
{
int v1 = *(int *)v1p, v2 = *(int *)v2p;
/* Note that the quotient will never be bigger than
the value of floor_log2 times the maximum number of
times a register can occur in one insn (surely less than 100).
Multiplying this by 10000 can't overflow. */
register int pri1
= (((double) (floor_log2 (allocno_n_refs[*v1]) * allocno_n_refs[*v1])
/ allocno_live_length[*v1])
* 10000 * allocno_size[*v1]);
= (((double) (floor_log2 (allocno_n_refs[v1]) * allocno_n_refs[v1])
/ allocno_live_length[v1])
* 10000 * allocno_size[v1]);
register int pri2
= (((double) (floor_log2 (allocno_n_refs[*v2]) * allocno_n_refs[*v2])
/ allocno_live_length[*v2])
* 10000 * allocno_size[*v2]);
= (((double) (floor_log2 (allocno_n_refs[v2]) * allocno_n_refs[v2])
/ allocno_live_length[v2])
* 10000 * allocno_size[v2]);
if (pri2 - pri1)
return pri2 - pri1;
/* If regs are equally good, sort by allocno,
so that the results of qsort leave nothing to chance. */
return *v1 - *v2;
return v1 - v2;
}
/* Scan the rtl code and record all conflicts and register preferences in the