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LoongArch: Fix tst-gnu2-tls2 compiler error

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Add -mno-lsx to tst-gnu2-tlsmod*.c if gcc support -mno-lsx.
Add escape character '\' in vector support test function.
This commit is contained in:
mengqinggang
2024-05-20 17:05:12 +08:00
committed by caiyinyu
parent 4b30c644d2
commit 16d47c1594
3 changed files with 8 additions and 2 deletions
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2
sysdeps/loongarch/Makefile
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@@ -35,10 +35,12 @@ sysdep-dl-routines += \
# Disable the compiler from using LSX for TLS descriptor tests, or storing into # Disable the compiler from using LSX for TLS descriptor tests, or storing into
# 16B TLS variable may clobber FP/vector registers and prevent us from checking # 16B TLS variable may clobber FP/vector registers and prevent us from checking
# their contents. # their contents.
ifeq (yes,$(loongarch-vec-com))
CFLAGS-tst-gnu2-tls2mod0.c += -mno-lsx CFLAGS-tst-gnu2-tls2mod0.c += -mno-lsx
CFLAGS-tst-gnu2-tls2mod1.c += -mno-lsx CFLAGS-tst-gnu2-tls2mod1.c += -mno-lsx
CFLAGS-tst-gnu2-tls2mod2.c += -mno-lsx CFLAGS-tst-gnu2-tls2mod2.c += -mno-lsx
endif endif
endif
# LoongArch's assembler also needs to know about PIC as it changes the # LoongArch's assembler also needs to know about PIC as it changes the
# definition of some assembler macros. # definition of some assembler macros.

3
sysdeps/loongarch/configure vendored
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@@ -143,3 +143,6 @@ then
printf "%s\n" "#define HAVE_LOONGARCH_VEC_COM 1" >>confdefs.h printf "%s\n" "#define HAVE_LOONGARCH_VEC_COM 1" >>confdefs.h
fi fi
config_vars="$config_vars
loongarch-vec-com = $libc_cv_loongarch_vec_com"

5
sysdeps/loongarch/configure.ac
View File

@@ -71,8 +71,8 @@ AC_CACHE_CHECK([for vector support in compiler],
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
void foo (void) void foo (void)
{ {
asm volatile ("vldi $vr0, 1" ::: "$vr0"); asm volatile ("vldi \$vr0, 1" ::: "\$vr0");
asm volatile ("xvldi $xr0, 1" ::: "$xr0"); asm volatile ("xvldi \$xr0, 1" ::: "\$xr0");
} }
]])], ]])],
[libc_cv_loongarch_vec_com=yes], [libc_cv_loongarch_vec_com=yes],
@@ -81,3 +81,4 @@ if test "$libc_cv_loongarch_vec_com" = yes ;
then then
AC_DEFINE(HAVE_LOONGARCH_VEC_COM) AC_DEFINE(HAVE_LOONGARCH_VEC_COM)
fi fi
LIBC_CONFIG_VAR([loongarch-vec-com], [$libc_cv_loongarch_vec_com])