diff mbox series

[1/2] xtensa: Add RTX costs for if_then_else

Message ID 257377a9-c976-ec6a-9ce0-c26e3008a0dc@yahoo.co.jp
State Committed
Commit 48e9954d0865b5e5e31cb77ad05c45f7206eeb9f
Headers
Series [1/2] xtensa: Add RTX costs for if_then_else |

Commit Message

Takayuki 'January June' Suwa July 29, 2022, 7:31 p.m. UTC 
  It takes one machine instruction for both condtional branch and move.

gcc/ChangeLog:

	* config/xtensa/xtensa.cc (xtensa_rtx_costs):
	Add new case for IF_THEN_ELSE.
---
 gcc/config/xtensa/xtensa.cc | 1 +
 1 file changed, 1 insertion(+)

Comments

Max Filippov July 30, 2022, 4:15 a.m. UTC | #1 
On Fri, Jul 29, 2022 at 12:34 PM Takayuki 'January June' Suwa
<jjsuwa_sys3175@yahoo.co.jp> wrote:
>
> It takes one machine instruction for both condtional branch and move.
>
> gcc/ChangeLog:
>
>         * config/xtensa/xtensa.cc (xtensa_rtx_costs):
>         Add new case for IF_THEN_ELSE.
> ---
>  gcc/config/xtensa/xtensa.cc | 1 +
>  1 file changed, 1 insertion(+)

Regtested for target=xtensa-linux-uclibc, no new regressions.
Committed to master.
diff mbox series

Patch

diff --git a/gcc/config/xtensa/xtensa.cc b/gcc/config/xtensa/xtensa.cc
index a851a7ae6b3..6ac879c38fb 100644
--- a/gcc/config/xtensa/xtensa.cc
+++ b/gcc/config/xtensa/xtensa.cc
@@ -4273,6 +4273,7 @@  xtensa_rtx_costs (rtx x, machine_mode mode, int outer_code,
 
     case ZERO_EXTRACT:
     case ZERO_EXTEND:
+    case IF_THEN_ELSE:
       *total = COSTS_N_INSNS (1);
       return true;