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| author | Mike Pall <mike> | 2010-02-11 01:50:32 +0100 |
|---|---|---|
| committer | Mike Pall <mike> | 2010-02-11 01:50:32 +0100 |
| commit | 565eb3957485bf7568bf6e8bba75e5f35f9bf3e9 (patch) | |
| tree | acef778a7c3b1dca9bda327d9890316c1f47e650 /src/lj_asm.c | |
| parent | ab90b8fc2b516fa38a194844e31c70c106153cdf (diff) | |
| download | luajit-565eb3957485bf7568bf6e8bba75e5f35f9bf3e9.tar.gz luajit-565eb3957485bf7568bf6e8bba75e5f35f9bf3e9.tar.bz2 luajit-565eb3957485bf7568bf6e8bba75e5f35f9bf3e9.zip | |
Drop frame clearing in exit handling and JIT compiled code.
Diffstat (limited to 'src/lj_asm.c')
| -rw-r--r-- | src/lj_asm.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/src/lj_asm.c b/src/lj_asm.c index 5e7ff7f5..55bc814e 100644 --- a/src/lj_asm.c +++ b/src/lj_asm.c | |||
| @@ -3043,8 +3043,7 @@ static void asm_tail_sync(ASMState *as) | |||
| 3043 | MSize n, nent = snap->nent; | 3043 | MSize n, nent = snap->nent; |
| 3044 | SnapEntry *map = &as->T->snapmap[snap->mapofs]; | 3044 | SnapEntry *map = &as->T->snapmap[snap->mapofs]; |
| 3045 | SnapEntry *flinks = map + nent + 1; | 3045 | SnapEntry *flinks = map + nent + 1; |
| 3046 | BCReg newbase = 0; | 3046 | BCReg newbase = 0, topslot = 0; |
| 3047 | BCReg nslots, topslot = 0; | ||
| 3048 | 3047 | ||
| 3049 | checkmclim(as); | 3048 | checkmclim(as); |
| 3050 | ra_allocref(as, REF_BASE, RID2RSET(RID_BASE)); | 3049 | ra_allocref(as, REF_BASE, RID2RSET(RID_BASE)); |
| @@ -3076,21 +3075,6 @@ static void asm_tail_sync(ASMState *as) | |||
| 3076 | 3075 | ||
| 3077 | emit_addptr(as, RID_BASE, 8*(int32_t)newbase); | 3076 | emit_addptr(as, RID_BASE, 8*(int32_t)newbase); |
| 3078 | 3077 | ||
| 3079 | /* Clear stack slots of newly added frames. */ | ||
| 3080 | nslots = snap->nslots; | ||
| 3081 | if (nslots <= topslot) { | ||
| 3082 | if (nslots < topslot) { | ||
| 3083 | BCReg s; | ||
| 3084 | for (s = nslots; s <= topslot; s++) { | ||
| 3085 | emit_movtomro(as, RID_EAX, RID_BASE, 8*((int32_t)s-1)+4); | ||
| 3086 | checkmclim(as); | ||
| 3087 | } | ||
| 3088 | emit_loadi(as, RID_EAX, LJ_TNIL); | ||
| 3089 | } else { | ||
| 3090 | emit_movmroi(as, RID_BASE, 8*((int32_t)nslots-1)+4, LJ_TNIL); | ||
| 3091 | } | ||
| 3092 | } | ||
| 3093 | |||
| 3094 | /* Store the value of all modified slots to the Lua stack. */ | 3078 | /* Store the value of all modified slots to the Lua stack. */ |
| 3095 | for (n = 0; n < nent; n++) { | 3079 | for (n = 0; n < nent; n++) { |
| 3096 | SnapEntry sn = map[n]; | 3080 | SnapEntry sn = map[n]; |