diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2006-12-12 23:30:49 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:26:58 +0200 |
| commit | 34547bab03d46e5f748dbcc600fa6eb5be5033be (patch) | |
| tree | c28c978be08ba9a0818f1272aba63f553791e26a /i386/i386/fpu.h | |
| parent | c0381f2fb88a2caf09b92d441eb61184d85765ac (diff) | |
2006-12-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
Drop useless and broken FPE support.
* i386/configfrac.ac (FPE): Don't define.
* i386/i386/gdt.h (FPE_CS, USER_FPREGS): Remove macros.
* i386/i386/fpu.c (init_fpu, fpu_set_state, fpu_get_state): Remove FPE
support.
* i386/i386/fpu.h: Likewise.
* i386/i386/trap.c (user_trap, i386_exception): Likewise.
* i386/i386/fpe_linkage.c: Remove file.
* i386/Makefrag.am: Remove i386/i386/fpe_linkage.c.
* Makefile.in: Regenerate.
Diffstat (limited to 'i386/i386/fpu.h')
| -rw-r--r-- | i386/i386/fpu.h | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/i386/i386/fpu.h b/i386/i386/fpu.h index bb332ad..3e92de7 100644 --- a/i386/i386/fpu.h +++ b/i386/i386/fpu.h @@ -69,32 +69,6 @@ #define fwait() \ asm("fwait"); -/* - * If floating-point instructions are emulated, - * we must load the floating-point register selector - * when switching to a new thread. - */ -#if FPE -extern void disable_fpe(); -extern void enable_fpe(); - -#define fpu_save_context(thread) \ - { \ - if (fp_kind == FP_SOFT) \ - disable_fpe(); \ - else \ - set_ts(); \ - } - -#define fpu_load_context(pcb) \ - { \ - register struct i386_fpsave_state *ifps; \ - if (fp_kind == FP_SOFT && (ifps = pcb->ims.ifps) != 0) \ - enable_fpe(ifps); \ - } - -#else /* no FPE */ - #define fpu_load_context(pcb) /* @@ -124,8 +98,6 @@ extern void enable_fpe(); #endif /* NCPUS == 1 */ -#endif /* no FPE */ - extern int fp_kind; #endif /* _I386_FPU_H_ */ |