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| author | Anton Blanchard <anton@samba.org> | 2006-06-10 20:18:39 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-06-15 19:31:25 +1000 |
| commit | 3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1 (patch) | |
| tree | afcd54f2ad36353abcf2282fdf15a05e77fcba4a /arch/powerpc/kernel/fpu.S | |
| parent | 30d8caf7c625203b295a78f143820cdc3124830b (diff) | |
| download | kernel_samsung_smdk4412-3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1.zip kernel_samsung_smdk4412-3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1.tar.gz kernel_samsung_smdk4412-3a2c48cfc97f9046abbd810f1efb1aa824bcfaf1.tar.bz2 | |
[POWERPC] 64bit FPSCR support
Forthcoming machines will extend the FPSCR to 64 bits. We already
had a 64-bit save area for the FPSCR, but we need to use a new form
of the mtfsf instruction. Fortunately this new form is decoded as
an ordinary mtfsf by existing 64-bit processors.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/fpu.S')
| -rw-r--r-- | arch/powerpc/kernel/fpu.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index 340730f..01f7120 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -72,7 +72,7 @@ _GLOBAL(load_up_fpu) std r12,_MSR(r1) #endif lfd fr0,THREAD_FPSCR(r5) - mtfsf 0xff,fr0 + MTFSF_L(fr0) REST_32FPRS(0, r5) #ifndef CONFIG_SMP subi r4,r5,THREAD @@ -127,7 +127,7 @@ _GLOBAL(giveup_fpu) _GLOBAL(cvt_fd) lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */ - mtfsf 0xff,0 + MTFSF_L(0) lfs 0,0(r3) stfd 0,0(r4) mffs 0 @@ -136,7 +136,7 @@ _GLOBAL(cvt_fd) _GLOBAL(cvt_df) lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */ - mtfsf 0xff,0 + MTFSF_L(0) lfd 0,0(r3) stfs 0,0(r4) mffs 0 |