For some reason, split1 pass converts (insn):
(insn 54 51 109 9 (parallel [ (asm_operands/v ("btrl %1,%0") ("") 0 [ (mem/c:BLK (plus:DI (plus:DI (unspec:DI [ (const_int 0 [0]) ] UNSPEC_TP) (reg:DI 100)) (const_int 96 [0x60])) [21 MEM[(struct revectored_struct *)&vm86u + 96B]+0 S32 A32]) (reg:SI 101) ] [ (asm_input:BLK ("m") ../../../src/include/cpu.h:355) (asm_input:SI ("r") ../../../src/include/cpu.h:355) ] [] ../../../src/include/cpu.h:355) (clobber (reg:CC 17 flags)) ]) "../../../src/include/cpu.h":355:2 -1 (expr_list:REG_DEAD (reg:SI 101) (expr_list:REG_DEAD (reg:DI 100) (expr_list:REG_UNUSED (reg:CC 17 flags) (nil)))))
to (jump_insn):
(jump_insn 111 51 113 9 (parallel [ (asm_operands/v ("btrl %1,%0") ("") 0 [ (mem/c:BLK (plus:DI (reg:DI 100) (const_int 96 [0x60])) [21 MEM[(struct revectored_struct *)&vm86u + 96B]+0 S32 A32 AS1]) (reg:SI 101) ] [ (asm_input:BLK ("m") ../../../src/include/cpu.h:355) (asm_input:SI ("r") ../../../src/include/cpu.h:355) ] [] ../../../src/include/cpu.h:355) (clobber (reg:CC 17 flags)) ]) "../../../src/include/cpu.h":355:2 -1 (nil))
This confuses sched2 pass.
For some reason, split1 pass converts (insn):
(insn 54 51 109 9 (parallel [
(asm_ operands/ v ("btrl %1,%0") ("") 0 [
( mem/c:BLK (plus:DI (plus:DI (unspec:DI [
(const_ int 0 [0])
] UNSPEC_TP)
(reg: DI 100))
(const_ int 96 [0x60])) [21 MEM[(struct revectored_struct *)&vm86u + 96B]+0 S32 A32])
( reg:SI 101)
( asm_input: BLK ("m") ../../. ./src/include/ cpu.h:355)
( asm_input: SI ("r") ../../. ./src/include/ cpu.h:355) ./src/include/ cpu.h:355)
(clobber (reg:CC 17 flags)) ../src/ include/ cpu.h": 355:2 -1 list:REG_ DEAD (reg:SI 101)
(expr_ list:REG_ DEAD (reg:DI 100)
(expr_ list:REG_ UNUSED (reg:CC 17 flags)
(nil) ))))
]
[
]
[] ../../.
]) "../../
(expr_
to (jump_insn):
(jump_insn 111 51 113 9 (parallel [
(asm_ operands/ v ("btrl %1,%0") ("") 0 [
( mem/c:BLK (plus:DI (reg:DI 100)
(const_ int 96 [0x60])) [21 MEM[(struct revectored_struct *)&vm86u + 96B]+0 S32 A32 AS1])
( reg:SI 101)
( asm_input: BLK ("m") ../../. ./src/include/ cpu.h:355)
( asm_input: SI ("r") ../../. ./src/include/ cpu.h:355) ./src/include/ cpu.h:355)
(clobber (reg:CC 17 flags)) ../src/ include/ cpu.h": 355:2 -1
]
[
]
[] ../../.
]) "../../
(nil))
This confuses sched2 pass.