-ifeq ($(old_gas),y)
-$(error The assembler '$(AS)' does not support the BWX instruction)
-endif
-
-# Determine if GCC understands the -mcpu= option.
-have_mcpu := $(call cc-option-yn, -mcpu=ev5)
-have_mcpu_pca56 := $(call cc-option-yn, -mcpu=pca56)
-have_mcpu_ev6 := $(call cc-option-yn, -mcpu=ev6)
-have_mcpu_ev67 := $(call cc-option-yn, -mcpu=ev67)
-have_msmall_data := $(call cc-option-yn, -msmall-data)
-
-cflags-$(have_msmall_data) += -msmall-data
-
-# Turn on the proper cpu optimizations.
-ifeq ($(have_mcpu),y)
- mcpu_done := n
- # If GENERIC, make sure to turn off any instruction set extensions that
- # the host compiler might have on by default. Given that EV4 and EV5
- # have the same instruction set, prefer EV5 because an EV5 schedule is
- # more likely to keep an EV4 processor busy than vice-versa.
- ifeq ($(CONFIG_ALPHA_GENERIC),y)
- mcpu := ev5
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
- mcpu := pca56
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
- mcpu := pca56
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
- mcpu := ev4
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
- mcpu := ev56
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
- mcpu := ev5
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
- mcpu := ev67
- mcpu_done := y
- endif
- ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
- ifeq ($(have_mcpu_ev6),y)
- mcpu := ev6
- else
- ifeq ($(have_mcpu_pca56),y)
- mcpu := pca56
- else
- mcpu=ev56
- endif
- endif
- mcpu_done := y
- endif
- cflags-$(mcpu_done) += -mcpu=$(mcpu)
-endif