On 25/06/2019 16:56, Richard Henderson wrote: > On 6/25/19 5:37 PM, Mark Cave-Ayland wrote: >> The problem is that in tcg/tcg-op.h we define "DEF(dup2_vec, 1, 2, 0, >> IMPLVEC | >> IMPL(TCG_TARGET_REG_BITS == 32))" and in the last patchset dup2_vec isn't >> introduced >> until towards the end. Unfortunately it's not a simple as bringing the patch >> forward >> within the series to maintain bisectability because the current >> implementation >> depends on VMRG which only appears in the patch just before it... > > Ah, that would explain it. I admit I haven't looked at v5 that closely.
It's actually the same in both patchsets: I'm still playing with v4 at the moment since I have a few hacks in place to help me figure out what's going on. >> Next to try and figure out what exactly is causing the fault. Just a quick >> question >> out of curiosity: is your Power9 system BE or LE? > > The Power9 is LE. > > I do have access to a Power7 BE system, and that worked last time I checked. > I'll try that again tomorrow to be sure. And here's where we are blowing up according to -d in_asm,op_out_asm: IN: 0x00f22ca0: 101ffc84 vor v0, v31, v31 OP: ld_i32 tmp0,env,$0xfffffff8 movi_i32 tmp1,$0x0 brcond_i32 tmp0,tmp1,lt,$L0 ---- 00f22ca0 ld_vec v128,e8,tmp2,env,$0xd6b0 st_vec v128,e8,tmp2,env,$0xd4c0 movi_i32 nip,$0xf22ca4 movi_i32 nip,$0xf22ca4 movi_i32 tmp0,$0x10002 call raise_exception,$0x2,$0,env,tmp0 exit_tb $0x0 set_label $L0 exit_tb $0xa4e7f0c3 OUT: [size=96] 0xa4e7f120: 81dbfff8 lwz r14, -8(r27) 0xa4e7f124: 2f8e0000 cmpwi cr7, r14, 0 0xa4e7f128: 419c004c blt cr7, 0xa4e7f174 0xa4e7f12c: 3c400000 lis r2, 0 0xa4e7f130: 6042d6b0 ori r2, r2, 0xd6b0 0xa4e7f134: 7c5b10ce lvx v2, r27, r2 0xa4e7f138: 3c400000 lis r2, 0 0xa4e7f13c: 6042d4c0 ori r2, r2, 0xd4c0 0xa4e7f140: 7c5b11ce stvx v2, r27, r2 0xa4e7f144: 3dc000f2 lis r14, 0xf2 0xa4e7f148: 61ce2ca4 ori r14, r14, 0x2ca4 0xa4e7f14c: 91db016c stw r14, 0x16c(r27) 0xa4e7f150: 7f63db78 mr r3, r27 0xa4e7f154: 3c800001 lis r4, 1 0xa4e7f158: 60840002 ori r4, r4, 2 0xa4e7f15c: 3c000087 lis r0, 0x87 0xa4e7f160: 6000b618 ori r0, r0, 0xb618 0xa4e7f164: 7c0903a6 mtctr r0 0xa4e7f168: 4e800421 bctrl 0xa4e7f16c: 38600000 li r3, 0 0xa4e7f170: 4bfffef0 b 0xa4e7f060 0xa4e7f174: 3c60a4e7 lis r3, -0x5b19 0xa4e7f178: 6063f0c3 ori r3, r3, 0xf0c3 0xa4e7f17c: 4bfffee4 b 0xa4e7f060 Any ideas what might be going on here? ATB, Mark.