PERFORCE change 227765 for review

[Robert Watson]

http://p4web.freebsd.org/@@227765?ac=10

Change 227765 by rwatson at rwatson_zenith_cl_cam_ac_uk on 2013/04/16 13:54:52

	More firmly trim FP support from libstand's MIPS setjmp/longjmp,
	as apparently it doesn't really belong there in the first place.

Affected files ...

.. //depot/projects/ctsrd/beribsd/src/lib/libstand/mips/_setjmp.S#5 edit

Differences ...

==== //depot/projects/ctsrd/beribsd/src/lib/libstand/mips/_setjmp.S#5 (text+ko) ====

@@ -72,22 +72,6 @@
 	REG_S	s7, ((S7 + 3) * SZREG)(a0)
 	REG_S	sp, ((SP + 3) * SZREG)(a0)
 	REG_S	s8, ((S8 + 3) * SZREG)(a0)
-/* XXXRW: Don't try to save/restore FP in libstand. */
-#if 0
-	cfc1	v0, $31				# too bad cant check if FP used
-	FP_S	$f20, ((20 + 38) * SZREG)(a0)
-	FP_S	$f21, ((21 + 38) * SZREG)(a0)
-	FP_S	$f22, ((22 + 38) * SZREG)(a0)
-	FP_S	$f23, ((23 + 38) * SZREG)(a0)
-	FP_S	$f24, ((24 + 38) * SZREG)(a0)
-	FP_S	$f25, ((25 + 38) * SZREG)(a0)
-	FP_S	$f26, ((26 + 38) * SZREG)(a0)
-	FP_S	$f27, ((27 + 38) * SZREG)(a0)
-	FP_S	$f28, ((28 + 38) * SZREG)(a0)
-	FP_S	$f29, ((29 + 38) * SZREG)(a0)
-	FP_S	$f30, ((30 + 38) * SZREG)(a0)
-	FP_S	$f31, ((31 + 38) * SZREG)(a0)
-#endif
 	REG_S	v0, ((32 + 38) * SZREG)(a0)
 	j	ra
 	move	v0, zero
@@ -115,25 +99,6 @@
 	REG_L	v0, ((32 + 38) * SZREG)(a0)	# get fpu status
 	REG_L	sp, ((SP + 3) * SZREG)(a0)
 	REG_L	s8, ((S8 + 3) * SZREG)(a0)
-/* XXXRW: Don't try to save/restore FP in libstand. */
-#if 0
-/* Octeon does not have an FPU */
-#if !defined(_MIPS_ARCH_OCTEON)
-	ctc1	v0, $31
-	FP_L	$f20, ((20 + 38) * SZREG)(a0)
-	FP_L	$f21, ((21 + 38) * SZREG)(a0)
-	FP_L	$f22, ((22 + 38) * SZREG)(a0)
-	FP_L	$f23, ((23 + 38) * SZREG)(a0)
-	FP_L	$f24, ((24 + 38) * SZREG)(a0)
-	FP_L	$f25, ((25 + 38) * SZREG)(a0)
-	FP_L	$f26, ((26 + 38) * SZREG)(a0)
-	FP_L	$f27, ((27 + 38) * SZREG)(a0)
-	FP_L	$f28, ((28 + 38) * SZREG)(a0)
-	FP_L	$f29, ((29 + 38) * SZREG)(a0)
-	FP_L	$f30, ((30 + 38) * SZREG)(a0)
-	FP_L	$f31, ((31 + 38) * SZREG)(a0)
-#endif /*  _MIPS_ARCH_OCTEON */
-#endif
 
 	j	ra
 	move	v0, a1