Hi, Philippe, On Wed, Dec 2, 2020 at 5:16 PM Philippe Mathieu-Daudé <f4...@amsat.org> wrote: > > On 12/2/20 2:01 AM, chen huacai wrote: > > Hi, Philippe, > > > > On Wed, Dec 2, 2020 at 3:31 AM Philippe Mathieu-Daudé <f4...@amsat.org> > > wrote: > >> > >> Userland ELF binaries using Longsoon SIMD instructions have the > >> HWCAP_LOONGSON_MMI bit set [1]. > >> Binaries compiled for Longsoon 3E [2] have the HWCAP_LOONGSON_EXT > >> bit set for the LQ / SQ instructions. > > What is Loongson-3E? I think you want to say Loongson-3A? > > Yes =) I have been confused because I looked at the INSN_LOONGSON2E > and INSN_LOONGSON2F definitions earlier. > > Are you OK with this patch if I change > - 3E -> 3A in subject and body > - Longsoon -> Loongson in body? That's OK.
Huacai > > As you maybe noticed, since Loongson is currently the single MIPS > area with contributions, I am trying to strengthen it and ease its > maintenance by adding (and running) more tests. > > > > > Huacai > >> > >> [1] commit 8e2d5831e4b ("target/mips: Legalize Loongson insn flags") > >> [2] commit af868995e1b ("target/mips: Add Loongson-3 CPU definition") > >> > >> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> > >> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> > >> --- > >> linux-user/elfload.c | 2 ++ > >> 1 file changed, 2 insertions(+) > >> > >> diff --git a/linux-user/elfload.c b/linux-user/elfload.c > >> index 2ba42d8e4bd..5a39a7dc021 100644 > >> --- a/linux-user/elfload.c > >> +++ b/linux-user/elfload.c > >> @@ -1023,6 +1023,8 @@ static uint32_t get_elf_hwcap(void) > >> > >> GET_FEATURE_REG_EQU(CP0_Config0, CP0C0_AR, 3, 2, HWCAP_MIPS_R6); > >> GET_FEATURE_REG_SET(CP0_Config3, 1 << CP0C3_MSAP, HWCAP_MIPS_MSA); > >> + GET_FEATURE_INSN(ASE_LMMI, HWCAP_LOONGSON_MMI); > >> + GET_FEATURE_INSN(ASE_LEXT, HWCAP_LOONGSON_EXT); > >> > >> return hwcaps; > >> } > >> -- > >> 2.26.2 > > -- Huacai Chen