estdlib
estdlib copied to clipboard
malachi-iot
Optimization: Verbose to_chars_opt (AVR Arduino)
Unfavorable output on AVR, looks like it's dying for optimization
Output comes from embr Arduino bits test
Appears we are not calling specialized to_chars_opt but rather runtime loading integer base
10c0: 83 70 andi r24, 0x03 ; 3
10c2: 82 30 cpi r24, 0x02 ; 2
10c4: d1 f1 breq .+116 ; 0x113a <main+0x290>
10c6: 83 30 cpi r24, 0x03 ; 3
10c8: c1 f0 breq .+48 ; 0x10fa <main+0x250>
10ca: 81 30 cpi r24, 0x01 ; 1
10cc: 21 f5 brne .+72 ; 0x1116 <main+0x26c>
10ce: 0a e0 ldi r16, 0x0A ; 10
10d0: 10 e0 ldi r17, 0x00 ; 0
10d2: b3 01 movw r22, r6
10d4: ce 01 movw r24, r28
10d6: 01 96 adiw r24, 0x01 ; 1
10d8: 0e 94 89 03 call 0x712 ; 0x712 <_ZN4estd12to_chars_optImEENS_9enable_ifIXsrNS_14numeric_limitsIT_EE10is_integerENS_6detail15to_chars_resultIPcEEE4typeES7_S7_S3_i>
10dc: cb 01 movw r24, r22
10de: 1c 86 std Y+12, r1 ; 0x0c
10e0: b3 01 movw r22, r6
10e2: 15 c0 rjmp .+42 ; 0x110e <main+0x264>
10e4: 20 e1 ldi r18, 0x10 ; 16
10e6: 30 e0 ldi r19, 0x00 ; 0
10e8: b6 01 movw r22, r12
10ea: ce 01 movw r24, r28
10ec: 01 96 adiw r24, 0x01 ; 1
10ee: 0e 94 db 03 call 0x7b6 ; 0x7b6 <_ZN4estd12to_chars_optIjEENS_9enable_ifIXsrNS_14numeric_limitsIT_EE10is_integerENS_6detail15to_chars_resultIPcEEE4typeES7_S7_S3_i>
10f2: cb 01 movw r24, r22
10f4: 1e 82 std Y+6, r1 ; 0x06
10f6: b6 01 movw r22, r12
10f8: c1 cf rjmp .-126 ; 0x107c <main+0x1d2>
10fa: 08 e0 ldi r16, 0x08 ; 8
10fc: 10 e0 ldi r17, 0x00 ; 0
10fe: b4 01 movw r22, r8
1100: ce 01 movw r24, r28
1102: 01 96 adiw r24, 0x01 ; 1
1104: 0e 94 89 03 call 0x712 ; 0x712 <_ZN4estd12to_chars_optImEENS_9enable_ifIXsrNS_14numeric_limitsIT_EE10is_integerENS_6detail15to_chars_resultIPcEEE4typeES7_S7_S3_i>
1108: cb 01 movw r24, r22
110a: 1d 86 std Y+13, r1 ; 0x0d
110c: b4 01 movw r22, r8
110e: 68 1b sub r22, r24
1110: 79 0b sbc r23, r25
1112: 0e 94 3a 03 call 0x674 ; 0x674
