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[Bug gas/22599] New: [RISCV] fsrmi and fsflagsi pseudoinstructions aren'


From: asb at lowrisc dot org
Subject: [Bug gas/22599] New: [RISCV] fsrmi and fsflagsi pseudoinstructions aren't recognised
Date: Wed, 13 Dec 2017 11:23:08 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=22599

            Bug ID: 22599
           Summary: [RISCV] fsrmi and fsflagsi pseudoinstructions aren't
                    recognised
           Product: binutils
           Version: 2.30 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: asb at lowrisc dot org
  Target Milestone: ---

Version 2.2 of the RISC-V user level ISA manual defines the fsrmi and fsflagsi
pseudoinstructions (table 20.3, page 111). The GNU assembler (HEAD as of today)
does not recognise these forms:

$ cat foo.s 
fsrmi x10, 0x1f
fsrmi 0x1e
fsflagsi x14, 0x1d
fsflagsi 0x1c

$ ./riscv32-unknown-elf-as -march=rv32imafd foo.s
foo.s: Assembler messages:
foo.s:1: Error: unrecognized opcode `fsrmi x10,0x1f'
foo.s:2: Error: unrecognized opcode `fsrmi 0x1e'
foo.s:3: Error: unrecognized opcode `fsflagsi x14,0x1d'
foo.s:4: Error: unrecognized opcode `fsflagsi 0x1c'

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