MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(global_alloc): Mark regs assigned to SCRATCH as used by more than

Browse Source 
just local alloc.

From-SVN: r8091
This commit is contained in:
Richard Kenner 1994-09-16 19:22:39 -04:00
parent 2c793b3251
commit 0dfa4517b7
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
gcc/global.c
View File

@ -446,6 +446,18 @@ global_alloc (file)
if (regs_ever_live[i]) if (regs_ever_live[i])
local_reg_n_refs[i] = 0; local_reg_n_refs[i] = 0;
/* Likewise for regs used in a SCRATCH. */
for (i = 0; i < scratch_list_length; i++)
if (scratch_list[i])
{
int regno = REGNO (scratch_list[i]);
int lim = regno + HARD_REGNO_NREGS (regno, GET_MODE (scratch_list[i]));
int j;
for (j = regno; j < lim; j++)
local_reg_n_refs[j] = 0;
}
/* Allocate the space for the conflict and preference tables and /* Allocate the space for the conflict and preference tables and
initialize them. */ initialize them. */