+unsigned long
+os_context_fp_control(os_context_t *context)
+{
+ return ieee_fpcr_to_swcr((context->uc_mcontext).sc_fpcr);
+}
+
+void
+os_restore_fp_control(os_context_t *context)
+{
+ /* FIXME: 0x7E0000 is defined as something useful in constants.h,
+ but without the UL, which would probably lead to 32/64-bit
+ errors if we simply used it here. Ugh. CSR, 2003-09-15 */
+ arch_set_fp_control(os_context_fp_control(context) & ~(0x7e0000UL) &
+ /* KLUDGE: for some reason that I don't
+ understand, by the time we get here the
+ "enable denormalized traps" bit in the fp
+ control word is set. Since we really don't
+ want to tra every time someone types
+ LEAST-POSITIVE-SINGLE-FLOAT into the repl,
+ mask that bit out. -- CSR, 2003-09-15 */
+ ~(0x1UL<<6));
+}
+