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authorMike Pall <mike>2012-10-09 13:19:57 +0200
committerMike Pall <mike>2012-10-09 13:19:57 +0200
commiteabfdfe1aa3b4b9c37b99137e6d5fb7cadbd47e9 (patch)
treeb7cf8922d69daedd5d5733214a77439c8986f570 /src/vm_ppcspe.dasc
parentda682b0e9184d4db7e8e477c682947d106790240 (diff)
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Don't use stack unwinding for lua_yield().
Diffstat (limited to 'src/vm_ppcspe.dasc')
-rw-r--r--src/vm_ppcspe.dasc11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/vm_ppcspe.dasc b/src/vm_ppcspe.dasc
index ab2d7670..cbd6ecdd 100644
--- a/src/vm_ppcspe.dasc
+++ b/src/vm_ppcspe.dasc
@@ -294,10 +294,13 @@ static void build_subroutines(BuildCtx *ctx)
294 | stwu TMP1, FRAME_PC(RA) // Prepend true to results. 294 | stwu TMP1, FRAME_PC(RA) // Prepend true to results.
295 | 295 |
296 |->vm_returnc: 296 |->vm_returnc:
297 | andi. TMP0, PC, FRAME_TYPE 297 | addi RD, RD, 8 // RD = (nresults+1)*8.
298 | addi RD, RD, 8 // RD = (nresults+1)*8. 298 | andi. TMP0, PC, FRAME_TYPE
299 | mr MULTRES, RD 299 | cmpwi cr1, RD, 0
300 | beq ->BC_RET_Z // Handle regular return to Lua. 300 | li CRET1, LUA_YIELD
301 | beq cr1, ->vm_unwind_c_eh
302 | mr MULTRES, RD
303 | beq ->BC_RET_Z // Handle regular return to Lua.
301 | 304 |
302 |->vm_return: 305 |->vm_return:
303 | // BASE = base, RA = resultptr, RD/MULTRES = (nresults+1)*8, PC = return 306 | // BASE = base, RA = resultptr, RD/MULTRES = (nresults+1)*8, PC = return