diff options
Diffstat (limited to 'arch/sparc/math-emu/fcmpq.c')
| -rw-r--r-- | arch/sparc/math-emu/fcmpq.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/arch/sparc/math-emu/fcmpq.c b/arch/sparc/math-emu/fcmpq.c index f3d1b1233..ffaeb1a1e 100644 --- a/arch/sparc/math-emu/fcmpq.c +++ b/arch/sparc/math-emu/fcmpq.c @@ -1,18 +1,33 @@ +/* $Id: fcmpq.c,v 1.8 1999/05/28 13:41:48 jj Exp $ + * arch/sparc/math-emu/fcmpq.c + * + * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz) + * Copyright (C) 1998 Peter Maydell (pmaydell@chiark.greenend.org.uk) + * + */ + +#include "sfp-util.h" #include "soft-fp.h" #include "quad.h" int FCMPQ(void *rd, void *rs2, void *rs1) { + FP_DECL_EX; FP_DECL_Q(A); FP_DECL_Q(B); long ret; unsigned long fsr; - __FP_UNPACK_Q(A, rs1); - __FP_UNPACK_Q(B, rs2); + FP_UNPACK_RAW_QP(A, rs1); + FP_UNPACK_RAW_QP(B, rs2); FP_CMP_Q(ret, B, A, 3); - if (ret == -1) ret = 2; - fsr = *(unsigned long *)rd; - fsr &= ~0xc00; fsr |= (ret << 10); - *(unsigned long *)rd = fsr; - return 0; + if (ret == 3 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B))) + FP_SET_EXCEPTION(FP_EX_INVALID); + if (!FP_INHIBIT_RESULTS) { + if (ret == -1) ret = 2; + fsr = *(long *)rd; + fsr &= ~0xc00; + fsr |= (ret << 10); + *(long *)rd = fsr; + } + FP_HANDLE_EXCEPTIONS; } |