gh-mirror/mikepaul-LuaJIT
1
0
Fork 0
mirror of https://github.com/LuaJIT/LuaJIT.git synced 2025-02-07 23:24:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

PPC: Generalize rematerialization handling.

Browse Source
This commit is contained in:
Mike Pall 2011-10-24 16:21:11 +02:00
parent 826fb377ec
commit 167f638f91
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/lj_asm.c
View File

@ -460,7 +460,20 @@ static void ra_evictset(ASMState *as, RegSet drop)
/* Evict (rematerialize) all registers allocated to constants. */
static void ra_evictk(ASMState *as)
{
RegSet work = ~as->freeset & RSET_ALL;
RegSet work;
#if !LJ_SOFTFP
work = ~as->freeset & RSET_FPR;
while (work) {
Reg r = rset_pickbot(work);
IRRef ref = regcost_ref(as->cost[r]);
if (emit_canremat(ref) && irref_isk(ref)) {
ra_rematk(as, ref);
checkmclim(as);
}
rset_clear(work, r);
}
#endif
work = ~as->freeset & RSET_GPR;
while (work) {
Reg r = rset_pickbot(work);
IRRef ref = regcost_ref(as->cost[r]);
@ -483,7 +496,7 @@ static Reg ra_allock(ASMState *as, int32_t k, RegSet allow)
IRRef ref;
r = rset_pickbot(work);
ref = regcost_ref(as->cost[r]);
if (emit_canremat(ref) &&
if (ref < ASMREF_L &&
k == (ra_iskref(ref) ? ra_krefk(as, ref) : IR(ref)->i))
return r;
rset_clear(work, r);