Hi Tejas,
[ Please do not top-post. ]
On Thu, Aug 22, 2019 at 09:09:37AM +0530, Tejas Joshi wrote:
> Yes, I tried basically every combination I could think of, just not
> with the "isa attr". Now, I have the following code and it is still
> seems not to be working. Am I missing any options to pass?
>
> (define_insn "add_truncdfsf3"
> [(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa")
> (unspec:SF [(match_operand:DF 1 "gpc_reg_operand" "%d,wa")
> (match_operand:DF 2 "gpc_reg_operand" "d,wa")]
> UNSPEC_ADD_NARROWING))]
> "TARGET_HARD_FLOAT"
> "@
> fadds %0,%1,%2
> xsaddsp %x0,%x1,%x2"
> [(set_attr "type" "fp")
> (set_attr "isa" "*,p8v")])
>
> with the code, I pass -O2 foo.c :
> float
> foo (double x, double y)
> {
> return __builtin_fadd (x, y);
> }
What happens then? "It does not work" is very very vague. At least it
seems the compiler does build now?
Segher
