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sh64: Fix up caller-save register settings for fast-path. 

Now that the fast-path handler has been moved, we also need to update the
Makefile to ensure that the same restrictions for caller-save registers
are observed.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2012-05-14 16:46:07 +09:00
parent 4de5185629
commit 2ec08e141f
1 changed files with 2 additions and 2 deletions
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4
arch/sh/mm/Makefile
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@ -44,7 +44,7 @@ obj-$(CONFIG_HAVE_SRAM_POOL) += sram.o
GCOV_PROFILE_pmb.o := n
# Special flags for fault_64.o. This puts restrictions on the number of
# Special flags for tlbex_64.o. This puts restrictions on the number of
# caller-save registers that the compiler can target when building this file.
# This is required because the code is called from a context in entry.S where
# very few registers have been saved in the exception handler (for speed
@ -59,7 +59,7 @@ GCOV_PROFILE_pmb.o := n
# The resources not listed below are callee save, i.e. the compiler is free to
# use any of them and will spill them to the stack itself.
CFLAGS_fault_64.o += -ffixed-r7 \
CFLAGS_tlbex_64.o += -ffixed-r7 \
-ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
-ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
-ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \