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sparc32: Kill off software 32-bit multiply/divide routines.

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For the explicit calls to .udiv/.umul in assembler, I made a
mechanical (read as: safe) transformation.  I didn't attempt
to make any simplifications.

In particular, __ndelay and __udelay can be simplified significantly.
Some of the %y reads are unnecessary and these routines have no need
any longer for allocating a register window, they can be leaf
functions.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-05-15 11:23:01 -07:00
parent 2119ff6d2b
commit 1b35a57b1c
17 changed files with 24 additions and 2129 deletions
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3
arch/sparc/kernel/kernel.h
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@ -32,9 +32,6 @@ extern void cpu_probe(void);
/* traps_32.c */
extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
unsigned long npc, unsigned long psr);
/* muldiv.c */
extern int do_user_muldiv (struct pt_regs *, unsigned long);
/* irq_32.c */
extern struct irqaction static_irqaction[];
extern int static_irq_count;