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software: use the Clang/LLVM compiler

This commit is contained in:
Sebastien Bourdeauducq 2012-02-07 12:52:34 +01:00
parent a40b0ea175
commit 63f6dece56
2 changed files with 14 additions and 5 deletions
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9
software/include.mak
View File

@ -1,15 +1,16 @@
# Mico32 toolchain # Mico32 toolchain
# #
CROSS_COMPILER=lm32-rtems4.11- CROSS_COMPILER=lm32-rtems4.11-
CLANG=clang -ccc-host-triple mico32-generic-generic -ccc-gcc-name $(CROSS_COMPILER)gcc
CC_normal := $(CROSS_COMPILER)gcc CC_normal := $(CLANG)
AR_normal := $(CROSS_COMPILER)ar AR_normal := $(CROSS_COMPILER)ar
AS_normal := $(CROSS_COMPILER)as AS_normal := $(CROSS_COMPILER)as
LD_normal := $(CROSS_COMPILER)ld LD_normal := $(CROSS_COMPILER)ld
OBJCOPY_normal := $(CROSS_COMPILER)objcopy OBJCOPY_normal := $(CROSS_COMPILER)objcopy
RANLIB_normal := $(CROSS_COMPILER)ranlib RANLIB_normal := $(CROSS_COMPILER)ranlib
CC_quiet = @echo " CC " $@ && $(CROSS_COMPILER)gcc CC_quiet = @echo " CC " $@ && $(CLANG)
AR_quiet = @echo " AR " $@ && $(CROSS_COMPILER)ar AR_quiet = @echo " AR " $@ && $(CROSS_COMPILER)ar
AS_quiet = @echo " AS " $@ && $(CROSS_COMPILER)as AS_quiet = @echo " AS " $@ && $(CROSS_COMPILER)as
LD_quiet = @echo " LD " $@ && $(CROSS_COMPILER)ld LD_quiet = @echo " LD " $@ && $(CROSS_COMPILER)ld
@ -39,9 +40,7 @@ INCLUDES = $(INCLUDES_NOLIBC) -I$(M2DIR)/software/include -I$(M2DIR)/tools
ASFLAGS = $(INCLUDES) -nostdinc ASFLAGS = $(INCLUDES) -nostdinc
# later: -Wmissing-prototypes # later: -Wmissing-prototypes
CFLAGS = -O9 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \ CFLAGS = -O9 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
-mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled \ -fsigned-char $(INCLUDES)
-msign-extend-enabled -fno-builtin -fsigned-char \
-fsingle-precision-constant $(INCLUDES)
LDFLAGS = -nostdlib -nodefaultlibs LDFLAGS = -nostdlib -nodefaultlibs
# compile and generate dependencies, based on # compile and generate dependencies, based on

10
software/libbase/softfloat-glue.c
View File

@ -123,3 +123,13 @@ unsigned int __fixunssfsi(float32 x)
return float32_to_int32_round_to_zero(x); // XXX return float32_to_int32_round_to_zero(x); // XXX
} }
int __unordsf2(float32 a, float32 b)
{
/*
* The comparison is unordered if either input is a NaN.
* Test for this by comparing each operand with itself.
* We must perform both comparisons to correctly check for
* signalling NaNs.
*/
return 1 ^ (float32_eq(a, a) & float32_eq(b, b));
}