Some implementations (i.e. Loongson-2F) may decide to implement
a 64 bit FPU without implementing COP1X instructions.
As the eligibility of 64 bit FP instructions is already determined
by CP0St_FR, there is no need to check for COP1X again.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20221102165719.190378-1-jiaxun.yang@flygoat.com>
[PMD: Add missing trailing parenthesis (buildfix)]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
*/
void check_cp1_64bitmode(DisasContext *ctx)
{
- if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
+ if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) {
gen_reserved_instruction(ctx);
}
}