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| author | WANG Xuerui <git@xen0n.name> | 2023-06-29 20:58:43 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-06-29 20:58:43 +0800 |
| commit | 38bb46f94544c5385bc35aa2bfc776dcf53a7b5d (patch) | |
| tree | a9874bea832ce2e5665ce63c8214d55bb938fde0 /arch/loongarch/Kconfig | |
| parent | 24da0249d950bbf97a8513daf414b48548b8bbe9 (diff) | |
LoongArch: Prepare for assemblers with proper FCSR class support
The GNU assembler (as of 2.40) mis-treats FCSR operands as GPRs, but
the LLVM IAS does not. Probe for this and refer to FCSRs as "$fcsrNN"
if support is present.
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/Kconfig')
| -rw-r--r-- | arch/loongarch/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index d38b066fc931..86fdd7a42cd1 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -241,6 +241,9 @@ config SCHED_OMIT_FRAME_POINTER config AS_HAS_EXPLICIT_RELOCS def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x)) +config AS_HAS_FCSR_CLASS + def_bool $(as-instr,movfcsr2gr \$t0$(comma)\$fcsr0) + menu "Kernel type and options" source "kernel/Kconfig.hz" |