https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119607
Sam James <sjames at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=119594 CC| |jakub at gcc dot gnu.org, | |rsandifo at gcc dot gnu.org --- Comment #4 from Sam James <sjames at gcc dot gnu.org> --- The first diff is in fwprop1? LHS = -mtune=znver2 ... RHS = -mtune=generic ... ``` @@ -5060,7 +5060,11 @@ change not profitablerescanning insn with uid = 315. verify found no changes in insn with uid = 315. change not profitablechange not profitablechange not profitablechange not profitablechange not profitablechange not profitablechange not profitablechange not profitablerescanning insn w ith uid = 372. verify found no changes in insn with uid = 372. -change not profitablechange not profitablechange not profitablechange not profitablechange not profitablechange not profitable +change not profitablechange not profitablechange not profitablechange not profitablerescanning insn with uid = 404. +verify found no changes in insn with uid = 404. +change not profitablerescanning insn with uid = 411. +verify found no changes in insn with uid = 411. +change not profitable try_optimize_cfg iteration 1 @@ -5089,7 +5093,7 @@ deleting insn with uid = 216. deleting insn with uid = 215. Deleted 23 trivially dead insns -Number of successful forward propagations: 5 ``` ``` @@ -6643,12 +6647,11 @@ Dataflow summary: (expr_list:REG_DEAD (reg:SI 347 [ i_144 ]) (expr_list:REG_UNUSED (reg:CC 17 flags) (nil)))) -(insn # # # 24 (set (mem/f:SI (plus:SI (reg/v/f:SI 191 [ __p ]) - (reg:SI 174 [ _97 ])) [3 _98->data+0 S4 A32]) +(insn # # # 24 (set (mem/f:SI (plus:SI (mult:SI (reg:SI 347 [ i_144 ]) + (const_int 8 [0x8])) + (reg/v/f:SI 191 [ __p ])) [3 _98->data+0 S4 A32]) (reg/v/f:SI 215 [ pre_marshal_data ])) "../glib-2.84.0/gobject/gclosure.c":426:30# {*movsi_internal} - (expr_list:REG_DEAD (reg/v/f:SI 215 [ pre_marshal_data ]) - (expr_list:REG_DEAD (reg/v/f:SI 191 [ __p ]) - (nil)))) + (nil)) (debug_insn # # # 24 (debug_marker) "../glib-2.84.0/gobject/gclosure.c":427:3# (nil)) (insn # # # 24 (set (reg/f:SI 348 [ closure_122(D)->notifiers ]) @@ -6677,12 +6680,11 @@ Dataflow summary: (mem/f:SI (plus:SI (reg/v/f:SI 214 [ closure ]) (const_int 12 [0xc])) [4 closure_122(D)->notifiers+0 S4 A32])) "../glib-2.84.0/gobject/gclosure.c":428:34# {*movsi_internal} (nil)) -(insn # # # 24 (set (mem/f:SI (plus:SI (reg/f:SI 349 [ closure_122(D)->notifiers ]) - (reg:SI 179 [ _103 ])) [3 _104->data+0 S4 A32]) +(insn # # # 24 (set (mem/f:SI (plus:SI (plus:SI (reg/f:SI 349 [ closure_122(D)->notifiers ]) + (reg:SI 174 [ _97 ])) + (const_int 8 [0x8])) [3 _104->data+0 S4 A32]) (reg/v/f:SI 217 [ post_marshal_data ])) "../glib-2.84.0/gobject/gclosure.c":428:34# {*movsi_internal} - (expr_list:REG_DEAD (reg/f:SI 349 [ closure_122(D)->notifiers ]) - (expr_list:REG_DEAD (reg/v/f:SI 217 [ post_marshal_data ]) - (nil)))) + (nil)) (debug_insn # # # 24 (debug [...] ``` I need help at this point. jakub, would you be able to look?