| Message ID | 20230531103510.211726-1-juzhe.zhong@rivai.ai |
|---|---|
| State | New |
| Headers | show |
| Series | RISC-V: Remove FRM for vfwcvt (RVV float to float widening conversion) | expand |
On 5/31/23 04:35, juzhe.zhong@rivai.ai wrote: > From: Juzhe-Zhong <juzhe.zhong@rivai.ai> > > Base on the discussion here: > https://github.com/riscv/riscv-v-spec/issues/884 > > vfwcvt doesn't depend on FRM. So remove FRM preparing for mode switching support. > > gcc/ChangeLog: > > * config/riscv/vector.md: Remove FRM. OK jeff
Committed, thanks Jeff. Pan -----Original Message----- From: Gcc-patches <gcc-patches-bounces+pan2.li=intel.com@gcc.gnu.org> On Behalf Of Jeff Law via Gcc-patches Sent: Wednesday, May 31, 2023 9:03 PM To: juzhe.zhong@rivai.ai; gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com; kito.cheng@sifive.com; palmer@dabbelt.com; palmer@rivosinc.com; rdapp.gcc@gmail.com Subject: Re: [PATCH] RISC-V: Remove FRM for vfwcvt (RVV float to float widening conversion) On 5/31/23 04:35, juzhe.zhong@rivai.ai wrote: > From: Juzhe-Zhong <juzhe.zhong@rivai.ai> > > Base on the discussion here: > https://github.com/riscv/riscv-v-spec/issues/884 > > vfwcvt doesn't depend on FRM. So remove FRM preparing for mode switching support. > > gcc/ChangeLog: > > * config/riscv/vector.md: Remove FRM. OK jeff
diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md index cd696da5d89..28e7e63ce69 100644 --- a/gcc/config/riscv/vector.md +++ b/gcc/config/riscv/vector.md @@ -7180,10 +7180,8 @@ (match_operand 5 "const_int_operand" " i, i") (match_operand 6 "const_int_operand" " i, i") (match_operand 7 "const_int_operand" " i, i") - (match_operand 8 "const_int_operand" " i, i") (reg:SI VL_REGNUM) - (reg:SI VTYPE_REGNUM) - (reg:SI FRM_REGNUM)] UNSPEC_VPREDICATE) + (reg:SI VTYPE_REGNUM)] UNSPEC_VPREDICATE) (float_extend:VWEXTF (match_operand:<V_DOUBLE_TRUNC> 3 "register_operand" " vr, vr")) (match_operand:VWEXTF 2 "vector_merge_operand" " vu, 0")))]
From: Juzhe-Zhong <juzhe.zhong@rivai.ai> Base on the discussion here: https://github.com/riscv/riscv-v-spec/issues/884 vfwcvt doesn't depend on FRM. So remove FRM preparing for mode switching support. gcc/ChangeLog: * config/riscv/vector.md: Remove FRM. --- gcc/config/riscv/vector.md | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)