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authorUros Bizjak <uros@gcc.gnu.org>2007-05-16 19:56:41 +0200
committerUros Bizjak <uros@gcc.gnu.org>2007-05-16 19:56:41 +0200
commitc747a42fb45a98b4f530aaf754ee94353ad0d632 (patch)
tree0867427fb26638a46a8f4d26bfb6ff4ee20d2486 /gcc/config
parent27735edb45fb125258ca38ca12ebab88deb9833b (diff)
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Add two files missing from my previous commit.
From-SVN: r124776
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/i386/sfp-machine.h56
-rw-r--r--gcc/config/i386/t-fprules-softfp646
2 files changed, 62 insertions, 0 deletions
diff --git a/gcc/config/i386/sfp-machine.h b/gcc/config/i386/sfp-machine.h
new file mode 100644
index 0000000..d440e1d
--- /dev/null
+++ b/gcc/config/i386/sfp-machine.h
@@ -0,0 +1,56 @@
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+typedef int TItype __attribute__((mode(TI)));
+typedef unsigned int UTItype __attribute__((mode(TI)));
+
+#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
+
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S _FP_QNANBIT_S
+#define _FP_NANFRAC_D _FP_QNANBIT_D
+#define _FP_NANFRAC_E _FP_QNANBIT_E, 0
+#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
+#define _FP_NANSIGN_S 1
+#define _FP_NANSIGN_D 1
+#define _FP_NANSIGN_E 1
+#define _FP_NANSIGN_Q 1
+
+#define _FP_KEEPNANFRACP 1
+
+/* Here is something Intel misdesigned: the specs don't define
+ the case where we have two NaNs with same mantissas, but
+ different sign. Different operations pick up different NaNs.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if (_FP_FRAC_GT_##wc(X, Y) \
+ || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ else \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+/* Define ALIASNAME as a strong alias for NAME. */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+ extern __typeof (name) aliasname __attribute__ ((alias (#name)));
diff --git a/gcc/config/i386/t-fprules-softfp64 b/gcc/config/i386/t-fprules-softfp64
new file mode 100644
index 0000000..0b0068f
--- /dev/null
+++ b/gcc/config/i386/t-fprules-softfp64
@@ -0,0 +1,6 @@
+softfp_float_modes := tf
+softfp_int_modes := si di ti
+softfp_extensions := sftf dftf xftf
+softfp_truncations := tfsf tfdf tfxf
+softfp_machine_header := i386/sfp-machine.h
+softfp_exclude_libgcc2 := n