From: Juzhe-Zhong <juzhe.zh...@rivai.ai>

Hi, Richi.

We (RVV) is going to add a rounding mode operand into floating-point 
instructions
which have 11 operands.

Since we are going have intrinsic that is adding rounding mode argument:
https://github.com/riscv-non-isa/rvv-intrinsic-doc/pull/226

This is the patch that is adding rounding mode operand in RISC-V port:
https://gcc.gnu.org/pipermail/gcc-patches/2023-May/618573.html
You can see there are 11 operands in these patterns.

Is it Ok for trunk ?

Thanks

gcc/ChangeLog:

        * optabs.cc (maybe_gen_insn): Add case to generate instruction that has 
11 operands.

---
 gcc/optabs.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/optabs.cc b/gcc/optabs.cc
index c8e39c82d57..a12333c7169 100644
--- a/gcc/optabs.cc
+++ b/gcc/optabs.cc
@@ -8139,6 +8139,11 @@ maybe_gen_insn (enum insn_code icode, unsigned int nops,
                              ops[3].value, ops[4].value, ops[5].value,
                              ops[6].value, ops[7].value, ops[8].value,
                              ops[9].value);
+    case 11:
+      return GEN_FCN (icode) (ops[0].value, ops[1].value, ops[2].value,
+                             ops[3].value, ops[4].value, ops[5].value,
+                             ops[6].value, ops[7].value, ops[8].value,
+                             ops[9].value, ops[10].value);
     }
   gcc_unreachable ();
 }
-- 
2.36.1

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