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

(propagate_block): CALL_INSNs don't kill fixed regs.

Browse Source 
From-SVN: r11646
This commit is contained in:
Richard Kenner 1996-03-31 05:10:01 -05:00
parent dc1d615071
commit e4329280ac
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/flow.c
View File

@ -1622,12 +1622,13 @@ propagate_block (old, first, last, final, significant, bnum)
final, insn);
/* Each call clobbers all call-clobbered regs that are not
global. Note that the function-value reg is a
global or fixed. Note that the function-value reg is a
call-clobbered reg, and mark_set_regs has already had
a chance to handle it. */
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
if (call_used_regs[i] && ! global_regs[i])
if (call_used_regs[i] && ! global_regs[i]
&& ! fixed_regs[i])
dead[i / REGSET_ELT_BITS]
|= ((REGSET_ELT_TYPE) 1 << (i % REGSET_ELT_BITS));