Date: Tue, 16 Apr 2013 13:55:08 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 227765 for review Message-ID: <201304161355.r3GDt8fF063292@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@227765?ac=10 Change 227765 by rwatson@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
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