#### 9.43.2.2 Register Names

You can use the predefined symbols ‘`r0`’, ‘`r1`’, ‘`r2`’, ‘`r3`’, ‘`r4`’, ‘`r5`’, ‘`r6`’, ‘`r7`’, ‘`r8`’, ‘`r9`’, ‘`r10`’, ‘`r11`’, ‘`r12`’, ‘`r13`’, ‘`r14`’, and ‘`r15`’ to refer to the SH registers.

The SH also has these control registers:

`pr`

  procedure register (holds return address)

`pc`

  program counter

`mach`
`macl`

  high and low multiply accumulator registers

`sr`

  status register

`gbr`

  global base register

`vbr`

  vector base register (for interrupt vectors)