diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index e47a57a0d6..8a08dc4a8b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -81,22 +81,31 @@ ENTRY(__novec_setcontext) # ifdef _ARCH_PWR6 /* Use the extended four-operand version of the mtfsf insn. */ - mtfsf 0xff,fp0,1,0 -# else .machine push .machine "power6" + + mtfsf 0xff,fp0,1,0 + + .machine pop +# else /* Availability of DFP indicates a 64-bit FPSCR. */ andi. r6,r5,PPC_FEATURE_HAS_DFP beq 5f /* Use the extended four-operand version of the mtfsf insn. */ + .machine push + .machine "power6" + mtfsf 0xff,fp0,1,0 + + .machine pop + b 6f /* Continue to operate on the FPSCR as if it were 32-bits. */ 5: mtfsf 0xff,fp0 6: - .machine pop # endif /* _ARCH_PWR6 */ + lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31) lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) @@ -364,22 +373,31 @@ L(has_no_vec): # ifdef _ARCH_PWR6 /* Use the extended four-operand version of the mtfsf insn. */ - mtfsf 0xff,fp0,1,0 -# else .machine push .machine "power6" + + mtfsf 0xff,fp0,1,0 + + .machine pop +# else /* Availability of DFP indicates a 64-bit FPSCR. */ andi. r6,r5,PPC_FEATURE_HAS_DFP beq 7f /* Use the extended four-operand version of the mtfsf insn. */ + .machine push + .machine "power6" + mtfsf 0xff,fp0,1,0 + + .machine pop + b 8f /* Continue to operate on the FPSCR as if it were 32-bits. */ 7: mtfsf 0xff,fp0 8: - .machine pop # endif /* _ARCH_PWR6 */ + lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31) lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31) lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31) |