m2-internship/libunwind-eh_elf
1
0
Fork 0
mirror of https://github.com/tobast/libunwind-eh_elf.git synced 2024-09-29 18:09:29 +02:00
Code Issues Releases Activity

(put_script_cache): Replace "caching" with "as->caching" and delete

Browse source 
the former to avoid compiler-warnings.
(run_script): Before doing the big switch, check for most common
	case (IA64_INSN_MOVE_STACKED).

(Logical change 1.130)
This commit is contained in:
hp.com!davidm 2003-11-27 06:52:54 +00:00
parent dee53d7800
commit c7d965a9dc
1 changed files with 47 additions and 47 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

94
src/ia64/Gscript-ia64.c
View file

@ -112,15 +112,13 @@ static inline void
put_script_cache (unw_addr_space_t as, struct ia64_script_cache *cache,
sigset_t *saved_sigmaskp)
{
unw_caching_policy_t caching = as->caching_policy;
assert (caching != UNW_CACHE_NONE);
assert (as->caching_policy != UNW_CACHE_NONE);
debug (200, "%s: unmasking signals/releasing lock\n", __FUNCTION__);
#ifdef HAVE_ATOMIC_OPS_H
AO_CLEAR (&cache->busy);
#else
if (likely (caching == UNW_CACHE_GLOBAL))
if (likely (as->caching_policy == UNW_CACHE_GLOBAL))
mutex_unlock (&cache->lock);
sigprocmask (SIG_SETMASK, saved_sigmaskp, NULL);
#endif
@ -467,54 +465,56 @@ run_script (struct ia64_script *script, struct cursor *c)
val = next_insn.val;
next_insn = *ip;
switch (opc)
/* This is by far the most common operation: */
if (likely (opc == IA64_INSN_MOVE_STACKED))
{
case IA64_INSN_SET:
loc = IA64_LOC_ADDR (val, 0);
break;
case IA64_INSN_SET_REG:
loc = IA64_LOC_REG (val, 0);
break;
case IA64_INSN_ADD_PSP:
loc = IA64_LOC_ADDR (c->psp + val, 0);
break;
case IA64_INSN_ADD_SP:
loc = IA64_LOC_ADDR (c->sp + val, 0);
break;
case IA64_INSN_MOVE:
loc = c->loc[val];
break;
case IA64_INSN_MOVE_SCRATCH:
loc = ia64_scratch_loc (c, val);
break;
case IA64_INSN_MOVE_STACKED:
val = rotate_gr (c, val);
if ((ret = ia64_get_stacked (c, val, &loc, NULL)) < 0)
return ret;
break;
case IA64_INSN_SETNAT_MEMSTK:
if ((ret = ia64_get (c, c->loc[IA64_REG_PRI_UNAT_MEM],
&unat_addr)) < 0)
return ret;
loc = IA64_LOC_ADDR (unat_addr, IA64_LOC_TYPE_MEMSTK_NAT);
break;
case IA64_INSN_INC_PSP:
c->psp += val;
continue;
case IA64_INSN_LOAD_PSP:
if ((ret = ia64_get (c, c->loc[IA64_REG_PSP], &c->psp)) < 0)
return ret;
continue;
}
else
switch (__builtin_expect(opc, IA64_INSN_MOVE_STACKED))
{
case IA64_INSN_SET:
loc = IA64_LOC_ADDR (val, 0);
break;
case IA64_INSN_SET_REG:
loc = IA64_LOC_REG (val, 0);
break;
case IA64_INSN_ADD_PSP:
loc = IA64_LOC_ADDR (c->psp + val, 0);
break;
case IA64_INSN_ADD_SP:
loc = IA64_LOC_ADDR (c->sp + val, 0);
break;
case IA64_INSN_MOVE:
loc = c->loc[val];
break;
case IA64_INSN_MOVE_SCRATCH:
loc = ia64_scratch_loc (c, val);
break;
case IA64_INSN_SETNAT_MEMSTK:
if ((ret = ia64_get (c, c->loc[IA64_REG_PRI_UNAT_MEM],
&unat_addr)) < 0)
return ret;
loc = IA64_LOC_ADDR (unat_addr, IA64_LOC_TYPE_MEMSTK_NAT);
break;
case IA64_INSN_INC_PSP:
c->psp += val;
continue;
case IA64_INSN_LOAD_PSP:
if ((ret = ia64_get (c, c->loc[IA64_REG_PSP], &c->psp)) < 0)
return ret;
continue;
}
c->loc[dst] = loc;
}
return 0;