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libgcc, bitint: do not use softfp_wrap for bitint and add build option

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This patch circumvents the softfp_wrap for bitint functions in libgcc as certain
ports, like arm, can use softfp_wrap to distinquigh between targets they want to
use specialized assembly functions for and targets that they use the soft-fp
C implementations for.  This is an orthogonal choice to the use of the soft-fp
C implementations for bitint conversions.

This patch also adds extra options to build bitint soft-fp functions, this is
needed by the arm port to build HF bitint conversion functions.

libgcc/ChangeLog:

	* config/t-softfp: Don't use softfp_wrap for bitint functions.
	(softfp_cflags): New parameter that is passed to the building of bitint
	functions.
This commit is contained in:
Andre Vieira
2025-09-30 10:57:58 +01:00
parent 5173a61b68
commit 796d70db70
1 changed files with 9 additions and 3 deletions
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12
libgcc/config/t-softfp
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@@ -73,12 +73,15 @@ softfp_bid_list += bitintpow10 \
floatti$(m) floatunti$(m))
endif
softfp_bitint_func_list := \
$(foreach m,sf df,$(softfp_floatbitint_funcs)) \
$(bitint_extras)
softfp_func_list := \
$(foreach m,$(softfp_float_modes), \
$(softfp_float_funcs) \
$(foreach i,$(softfp_int_modes), \
$(softfp_floatint_funcs))) \
$(foreach m,sf df,$(softfp_floatbitint_funcs)) \
$(foreach e,$(softfp_extensions),extend$(e)2) \
$(foreach t,$(softfp_truncations),trunc$(t)2) \
$(softfp_extras)
@@ -93,7 +96,8 @@ softfp_func_list := $(filter-out floatdidf floatdisf fixunsdfsi fixunssfsi \
endif
ifeq ($(softfp_compat),y)
softfp_file_list := $(addsuffix .c,$(softfp_func_list))
softfp_file_list := $(addsuffix .c,$(softfp_func_list)) \
$(addsuffix .c,$(softfp_bitint_func_list))
ifeq ($(enable_shared),yes)
softfp_map_dep := libgcc.map.in
@@ -124,6 +128,8 @@ else
softfp_file_list := \
$(addsuffix .c,$(addprefix $(srcdir)/soft-fp/,$(softfp_func_list)))
endif
softfp_file_list += \
$(addsuffix .c,$(addprefix $(srcdir)/soft-fp/,$(softfp_bitint_func_list)))
endif
softfp_bid_file_list := \
$(addsuffix .c,$(addprefix $(srcdir)/soft-fp/,$(softfp_bid_list)))
@@ -137,7 +143,7 @@ soft-fp-objects-base = $(basename $(notdir $(softfp_file_list)))
soft-fp-objects = $(addsuffix $(objext), $(soft-fp-objects-base)) \
$(addsuffix _s$(objext), $(soft-fp-objects-base))
$(soft-fp-objects) : INTERNAL_CFLAGS += -Wno-missing-prototypes -Wno-type-limits
$(soft-fp-objects) : INTERNAL_CFLAGS += -Wno-missing-prototypes -Wno-type-limits $(softfp_cflags)
LIB2ADD += $(softfp_file_list)
LIB2ADD_ST += $(softfp_bid_file_list)