(gdb) call debug_rtx(insn) (insn:TI 454 460 607 (set (reg:SI 2 r2 [orig:433 buf+2 ] [433]) (zero_extend:SI (mem/u/c/i:QI (symbol_ref/u:SI ("*.LC0") [flags 0x2]) [0 S1 A8]))) cr_parse-reduced.ii:111 168 {*arm_zero_extendqisi2_v6} (nil))
(gdb) call debug_rtx(insn)
(zero_ extend: SI (mem/u/c/i:QI (symbol_ref/u:SI ("*.LC0") [flags 0x2]) reduced. ii:111 168 {*arm_zero_ extendqisi2_ v6}
(insn:TI 454 460 607 (set (reg:SI 2 r2 [orig:433 buf+2 ] [433])
[0 S1 A8]))) cr_parse-
(nil))