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authorAndreas Jaeger <aj@suse.de>2000-09-05 09:07:19 +0000
committerAndreas Jaeger <aj@suse.de>2000-09-05 09:07:19 +0000
commita9591af9e9ff0ecd0ae09214bd6e19157bff61d8 (patch)
tree550b41649c499b71688c6664435f64fd98992f99 /sysdeps/mips/mips64/soft-fp
parent584bbcdd2cc662d532024ca62db53413f6d05a15 (diff)
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Moved from soft-fp/sysdeps/sparc/sparc64/s_scalbnl.c
Diffstat (limited to 'sysdeps/mips/mips64/soft-fp')
-rw-r--r--sysdeps/mips/mips64/soft-fp/sfp-machine.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/mips/mips64/soft-fp/sfp-machine.h b/sysdeps/mips/mips64/soft-fp/sfp-machine.h
new file mode 100644
index 0000000000..730deae872
--- /dev/null
+++ b/sysdeps/mips/mips64/soft-fp/sfp-machine.h
@@ -0,0 +1,47 @@
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1)
+#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+/* From my experiments it seems X is chosen unless one of the
+ NaNs is sNaN, in which case the result is NANSIGN/NANFRAC. */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) | \
+ _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \
+ { \
+ R##_s = _FP_NANSIGN_##fs; \
+ _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_DIVZERO (1 << 3)
+#define FP_EX_OVERFLOW (1 << 2)
+#define FP_EX_UNDERFLOW (1 << 1)
+#define FP_EX_INEXACT (1 << 0)