llvm/test/MC/AVR/modifiers.s

   1 ; RUN: llvm-mc -triple avr -show-encoding < %s | FileCheck %s
   2
   3 ; TODO: Add support for lo8(-foo + 3), and add test
   4 ; FIXME: most of these tests use values (i.e. 0x0815) that are out of bounds.
   5
   6 foo:
   7
   8     ldi r24, lo8(0x42)
   9     ldi r24, lo8(0x2342)
  10
  11     ldi r24, lo8(0x23)
  12     ldi r24, hi8(0x2342)
  13
  14 ; CHECK: ldi  r24, lo8(66)          ; encoding: [0x82,0xe4]
  15 ; CHECK: ldi  r24, lo8(9026)        ; encoding: [0x82,0xe4]
  16
  17 ; CHECK: ldi  r24, lo8(35)          ; encoding: [0x83,0xe2]
  18 ; CHECK: ldi  r24, hi8(9026)        ; encoding: [0x83,0xe2]
  19
  20
  21 bar:
  22
  23     ldi r24, lo8(bar)
  24     ldi r24, hi8(bar)
  25
  26 ; CHECK: ldi  r24, lo8(bar)         ; encoding: [0x80'A',0xe0]
  27 ; CHECK:                            ; fixup A - offset: 0, value: lo8(bar), kind: fixup_lo8_ldi
  28 ; CHECK: ldi  r24, hi8(bar)         ; encoding: [0x80'A',0xe0]
  29 ; CHECK:                            ; fixup A - offset: 0, value: hi8(bar), kind: fixup_hi8_ldi
  30
  31 lo8:
  32
  33     ldi r24, lo8(0x0815)
  34     ldi r24, lo8(foo)
  35     ldi r24, lo8(bar + 5)
  36
  37 ; CHECK: ldi  r24, lo8(2069)        ; encoding: [0x85,0xe1]
  38 ; CHECK: ldi  r24, lo8(foo)         ; encoding: [0x80'A',0xe0]
  39 ; CHECK:                            ; fixup A - offset: 0, value: lo8(foo), kind: fixup_lo8_ldi
  40 ; CHECK: ldi  r24, lo8(bar+5)       ; encoding: [0x80'A',0xe0]
  41 ; CHECK:                            ; fixup A - offset: 0, value: lo8(bar+5), kind: fixup_lo8_ldi
  42
  43 lo8_neg:
  44
  45     ldi r24, lo8(-(123456))
  46     ldi r24, lo8(-(foo))
  47
  48 ; CHECK: ldi  r24, lo8(-(123456))   ; encoding: [0x80,0xec]
  49 ; CHECK: ldi  r24, lo8(-(foo))      ; encoding: [0x80'A',0xe0]
  50 ; CHECK:                            ; fixup A - offset: 0, value: lo8(-(foo)), kind: fixup_lo8_ldi_neg
  51
  52 hi8:
  53
  54     ldi r24, hi8(0x0815)
  55     ldi r24, hi8(foo)
  56     ldi r24, hi8(bar + 5)
  57
  58 ; CHECK: ldi  r24, hi8(2069)        ; encoding: [0x88,0xe0]
  59 ; CHECK: ldi  r24, hi8(foo)         ; encoding: [0x80'A',0xe0]
  60 ; CHECK:                            ; fixup A - offset: 0, value: hi8(foo), kind: fixup_hi8_ldi
  61 ; CHECK: ldi  r24, hi8(bar+5)       ; encoding: [0x80'A',0xe0]
  62 ; CHECK:                            ; fixup A - offset: 0, value: hi8(bar+5), kind: fixup_hi8_ldi
  63
  64 hi8_neg:
  65
  66     ldi r24, hi8(-(123456))
  67     ldi r24, hi8(-(foo))
  68
  69 ; CHECK: ldi  r24, hi8(-(123456))   ; encoding: [0x8d,0xe1]
  70 ; CHECK: ldi  r24, hi8(-(foo))      ; encoding: [0x80'A',0xe0]
  71 ; CHECK:                            ; fixup A - offset: 0, value: hi8(-(foo)), kind: fixup_hi8_ldi_neg
  72
  73 hh8:
  74
  75     ldi r24, hh8(0x0815)
  76     ldi r24, hh8(foo)
  77     ldi r24, hh8(bar + 5)
  78
  79 ; CHECK: ldi  r24, hh8(2069)        ; encoding: [0x80,0xe0]
  80 ; CHECK: ldi  r24, hh8(foo)         ; encoding: [0x80'A',0xe0]
  81 ; CHECK:                            ; fixup A - offset: 0, value: hh8(foo), kind: fixup_hh8_ldi
  82 ; CHECK: ldi  r24, hh8(bar+5)       ; encoding: [0x80'A',0xe0]
  83 ; CHECK:                            ; fixup A - offset: 0, value: hh8(bar+5), kind: fixup_hh8_ldi
  84
  85 hh8_neg:
  86
  87     ldi r24, hh8(-(123456))
  88     ldi r24, hh8(-(foo))
  89
  90 ; CHECK: ldi  r24, hh8(-(123456))     ; encoding: [0x8e,0xef]
  91 ; CHECK: ldi  r24, hh8(-(foo))        ; encoding: [0x80'A',0xe0]
  92 ; CHECK:                            ; fixup A - offset: 0, value: hh8(-(foo)), kind: fixup_hh8_ldi_neg
  93
  94 hlo8: ; synonym with hh8() above, hence the... odd results
  95
  96     ldi r24, hlo8(0x0815)
  97     ldi r24, hlo8(foo)
  98     ldi r24, hlo8(bar + 5)
  99
 100 ; CHECK: ldi  r24, hh8(2069)        ; encoding: [0x80,0xe0]
 101 ; CHECK: ldi  r24, hh8(foo)         ; encoding: [0x80'A',0xe0]
 102 ; CHECK:                            ; fixup A - offset: 0, value: hh8(foo), kind: fixup_hh8_ldi
 103 ; CHECK: ldi  r24, hh8(bar+5)       ; encoding: [0x80'A',0xe0]
 104 ; CHECK:                            ; fixup A - offset: 0, value: hh8(bar+5), kind: fixup_hh8_ldi
 105
 106 hlo8_neg:
 107
 108     ldi r24, hlo8(-(123456))
 109     ldi r24, hlo8(-(foo))
 110
 111
 112 ; CHECK: ldi  r24, hh8(-(123456))  ; encoding: [0x8e,0xef]
 113 ; CHECK: ldi  r24, hh8(-(foo))     ; encoding: [0x80'A',0xe0]
 114 ; CHECK:                           ; fixup A - offset: 0, value: hh8(-(foo)), kind: fixup_hh8_ldi_neg
 115
 116 hhi8:
 117
 118     ldi r24, hhi8(0x0815)
 119     ldi r24, hhi8(foo)
 120     ldi r24, hhi8(bar + 5)
 121
 122 ; CHECK: ldi  r24, hhi8(2069)       ; encoding: [0x80,0xe0]
 123 ; CHECK: ldi  r24, hhi8(foo)        ; encoding: [0x80'A',0xe0]
 124 ; CHECK:                            ; fixup A - offset: 0, value: hhi8(foo), kind: fixup_ms8_ldi
 125 ; CHECK: ldi  r24, hhi8(bar+5)      ; encoding: [0x80'A',0xe0]
 126 ; CHECK:                            ; fixup A - offset: 0, value: hhi8(bar+5), kind: fixup_ms8_ldi
 127
 128 hhi8_neg:
 129     ldi r24, hhi8(-(123456))
 130     ldi r24, hhi8(-(foo))
 131
 132
 133 ; CHECK: ldi  r24, hhi8(-(123456))  ; encoding: [0x8f,0xef]
 134 ; CHECK: ldi  r24, hhi8(-(foo))     ; encoding: [0x80'A',0xe0]
 135 ; CHECK:                            ; fixup A - offset: 0, value: hhi8(-(foo)), kind: fixup_ms8_ldi_neg
 136
 137 pm_lo8:
 138     ldi r24, pm_lo8(0x0815)
 139     ldi r24, pm_lo8(foo)
 140     ldi r24, pm_lo8(bar + 5)
 141
 142 ; CHECK: ldi  r24, pm_lo8(2069)     ; encoding: [0x8a,0xe0]
 143 ; CHECK: ldi  r24, pm_lo8(foo)      ; encoding: [0x80'A',0xe0]
 144 ; CHECK:                            ; fixup A - offset: 0, value: pm_lo8(foo), kind: fixup_lo8_ldi_pm
 145 ; CHECK: ldi  r24, pm_lo8(bar+5)    ; encoding: [0x80'A',0xe0]
 146 ; CHECK:                            ; fixup A - offset: 0, value: pm_lo8(bar+5), kind: fixup_lo8_ldi_pm
 147
 148 pm_hi8:
 149     ldi r24, pm_hi8(0x0815)
 150     ldi r24, pm_hi8(foo)
 151     ldi r24, pm_hi8(bar + 5)
 152
 153 ; CHECK: ldi  r24, pm_hi8(2069)     ; encoding: [0x84,0xe0]
 154 ; CHECK: ldi  r24, pm_hi8(foo)      ; encoding: [0x80'A',0xe0]
 155 ; CHECK:                            ; fixup A - offset: 0, value: pm_hi8(foo), kind: fixup_hi8_ldi_pm
 156 ; CHECK: ldi  r24, pm_hi8(bar+5)    ; encoding: [0x80'A',0xe0]
 157 ; CHECK:                            ; fixup A - offset: 0, value: pm_hi8(bar+5), kind: fixup_hi8_ldi_pm
 158
 159 pm_hh8:
 160     ldi r24, pm_hh8(0x0815)
 161     ldi r24, pm_hh8(foo)
 162     ldi r24, pm_hh8(bar + 5)
 163
 164 ; CHECK: ldi  r24, pm_hh8(2069)     ; encoding: [0x80,0xe0]
 165 ; CHECK: ldi  r24, pm_hh8(foo)      ; encoding: [0x80'A',0xe0]
 166 ; CHECK:                            ; fixup A - offset: 0, value: pm_hh8(foo), kind: fixup_hh8_ldi_pm
 167 ; CHECK: ldi  r24, pm_hh8(bar+5)    ; encoding: [0x80'A',0xe0]
 168 ; CHECK:                            ; fixup A - offset: 0, value: pm_hh8(bar+5), kind: fixup_hh8_ldi_pm
 169
 170
 171 pm_lo8_neg:
 172     ldi r24, pm_lo8(-(0x0815))
 173     ldi r24, pm_lo8(-(foo))
 174     ldi r24, pm_lo8(-(bar + 5))
 175
 176 ; CHECK: ldi  r24, pm_lo8(-(2069))   ; encoding: [0x85,0xef]
 177 ; CHECK: ldi  r24, pm_lo8(-(foo))    ; encoding: [0x80'A',0xe0]
 178 ; CHECK:                             ; fixup A - offset: 0, value: pm_lo8(-(foo)), kind: fixup_lo8_ldi_pm_neg
 179 ; CHECK: ldi  r24, pm_lo8(-(bar+5))  ; encoding: [0x80'A',0xe0]
 180 ; CHECK:                             ; fixup A - offset: 0, value: pm_lo8(-(bar+5)), kind: fixup_lo8_ldi_pm_neg
 181
 182 pm_hi8_neg:
 183     ldi r24, pm_hi8(-(0x0815))
 184     ldi r24, pm_hi8(-(foo))
 185     ldi r24, pm_hi8(-(bar + 5))
 186
 187 ; CHECK: ldi  r24, pm_hi8(-(2069))   ; encoding: [0x8b,0xef]
 188 ; CHECK: ldi  r24, pm_hi8(-(foo))    ; encoding: [0x80'A',0xe0]
 189 ; CHECK:                             ; fixup A - offset: 0, value: pm_hi8(-(foo)), kind: fixup_hi8_ldi_pm_neg
 190 ; CHECK: ldi  r24, pm_hi8(-(bar+5))  ; encoding: [0x80'A',0xe0]
 191 ; CHECK:                             ; fixup A - offset: 0, value: pm_hi8(-(bar+5)), kind: fixup_hi8_ldi_pm_neg
 192
 193 pm_hh8_neg:
 194     ldi r24, pm_hh8(-(0x0815))
 195     ldi r24, pm_hh8(-(foo))
 196     ldi r24, pm_hh8(-(bar + 5))
 197
 198 ; CHECK: ldi  r24, pm_hh8(-(2069))   ; encoding: [0x8f,0xef]
 199 ; CHECK: ldi  r24, pm_hh8(-(foo))    ; encoding: [0x80'A',0xe0]
 200 ; CHECK:                             ; fixup A - offset: 0, value: pm_hh8(-(foo)), kind: fixup_hh8_ldi_pm_neg
 201 ; CHECK: ldi  r24, pm_hh8(-(bar+5))  ; encoding: [0x80'A',0xe0]
 202 ; CHECK:                             ; fixup A - offset: 0, value: pm_hh8(-(bar+5)), kind: fixup_hh8_ldi_pm_neg