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1.1 ! root 1: # mach: crisv3 crisv8 crisv10 crisv32 ! 2: # output: ffffff00\n ! 3: ! 4: ; A bug resulting in a non-effectual clear.b discovered running the GCC ! 5: ; testsuite; jump actually wrote to p0. ! 6: ! 7: .include "testutils.inc" ! 8: ! 9: start ! 10: jump 1f ! 11: nop ! 12: .p2align 8 ! 13: 1: ! 14: move.d y,r4 ! 15: ! 16: .if 0 ;0 == ..asm.arch.cris.v32 ! 17: ; There was a bug causing this insn to set special register p0 ! 18: ; (byte-clear) to 8 (low 8 bits of location after insn). ! 19: jump [r4+] ! 20: .endif ! 21: ! 22: 1: ! 23: move.d 0f,r4 ! 24: ! 25: ; The corresponding bug would cause this insn too, to set p0. ! 26: jump r4 ! 27: nop ! 28: quit ! 29: 0: ! 30: moveq -1,r3 ! 31: clear.b r3 ! 32: checkr3 ffffff00 ! 33: quit ! 34: ! 35: y: ! 36: .dword 1b
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