* [PATCH] RISC-V: Refactor the integer ternary autovec pattern
@ 2023-06-21 22:38 Juzhe-Zhong
2023-06-24 1:32 ` 钟居哲
2023-06-24 14:03 ` Jeff Law
0 siblings, 2 replies; 4+ messages in thread
From: Juzhe-Zhong @ 2023-06-21 22:38 UTC (permalink / raw)
To: gcc-patches; +Cc: kito.cheng, palmer, rdapp.gcc, jeffreyalaw, Juzhe-Zhong
Long time ago, I encounter ICE when trying to set clobber register as Pmode
and I forgot the reason.
So, I clobber SI scratch and PUT_MODE to make it Pmode after reload which
makes patterns look unreasonable.
According to Jeff's comments, I tried it again, it works now when we try to
set clobber register as Pmode and the patterns look more reasonable now.
The tests are all passed, Ok for trunk.
gcc/ChangeLog:
* config/riscv/autovec.md (*fma<mode>): set clobber to Pmode in expand stage.
(*fma<VI:mode><P:mode>): Ditto.
(*fnma<mode>): Ditto.
(*fnma<VI:mode><P:mode>): Ditto.
---
gcc/config/riscv/autovec.md | 54 +++++++++++++++++++------------------
1 file changed, 28 insertions(+), 26 deletions(-)
diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md
index cf154b3737a..731ffe8ff89 100644
--- a/gcc/config/riscv/autovec.md
+++ b/gcc/config/riscv/autovec.md
@@ -596,40 +596,41 @@
;; result after reload_completed.
(define_expand "fma<mode>4"
[(parallel
- [(set (match_operand:VI 0 "register_operand" "=vr")
+ [(set (match_operand:VI 0 "register_operand")
(plus:VI
(mult:VI
- (match_operand:VI 1 "register_operand" " vr")
- (match_operand:VI 2 "register_operand" " vr"))
- (match_operand:VI 3 "register_operand" " vr")))
- (clobber (match_scratch:SI 4))])]
+ (match_operand:VI 1 "register_operand")
+ (match_operand:VI 2 "register_operand"))
+ (match_operand:VI 3 "register_operand")))
+ (clobber (match_dup 4))])]
"TARGET_VECTOR"
- {})
+ {
+ operands[4] = gen_reg_rtx (Pmode);
+ })
-(define_insn_and_split "*fma<mode>"
+(define_insn_and_split "*fma<VI:mode><P:mode>"
[(set (match_operand:VI 0 "register_operand" "=vr, vr, ?&vr")
(plus:VI
(mult:VI
(match_operand:VI 1 "register_operand" " %0, vr, vr")
(match_operand:VI 2 "register_operand" " vr, vr, vr"))
(match_operand:VI 3 "register_operand" " vr, 0, vr")))
- (clobber (match_scratch:SI 4 "=r,r,r"))]
+ (clobber (match_operand:P 4 "register_operand" "=r,r,r"))]
"TARGET_VECTOR"
"#"
"&& reload_completed"
[(const_int 0)]
{
- PUT_MODE (operands[4], Pmode);
- riscv_vector::emit_vlmax_vsetvl (<MODE>mode, operands[4]);
+ riscv_vector::emit_vlmax_vsetvl (<VI:MODE>mode, operands[4]);
if (which_alternative == 2)
emit_insn (gen_rtx_SET (operands[0], operands[3]));
rtx ops[] = {operands[0], operands[1], operands[2], operands[3], operands[0]};
- riscv_vector::emit_vlmax_ternary_insn (code_for_pred_mul_plus (<MODE>mode),
- riscv_vector::RVV_TERNOP, ops, operands[4]);
+ riscv_vector::emit_vlmax_ternary_insn (code_for_pred_mul_plus (<VI:MODE>mode),
+ riscv_vector::RVV_TERNOP, ops, operands[4]);
DONE;
}
[(set_attr "type" "vimuladd")
- (set_attr "mode" "<MODE>")])
+ (set_attr "mode" "<VI:MODE>")])
;; -------------------------------------------------------------------------
;; ---- [INT] VNMSAC and VNMSUB
@@ -641,40 +642,41 @@
(define_expand "fnma<mode>4"
[(parallel
- [(set (match_operand:VI 0 "register_operand" "=vr")
+ [(set (match_operand:VI 0 "register_operand")
(minus:VI
- (match_operand:VI 3 "register_operand" " vr")
+ (match_operand:VI 3 "register_operand")
(mult:VI
- (match_operand:VI 1 "register_operand" " vr")
- (match_operand:VI 2 "register_operand" " vr"))))
- (clobber (match_scratch:SI 4))])]
+ (match_operand:VI 1 "register_operand")
+ (match_operand:VI 2 "register_operand"))))
+ (clobber (match_dup 4))])]
"TARGET_VECTOR"
- {})
+ {
+ operands[4] = gen_reg_rtx (Pmode);
+ })
-(define_insn_and_split "*fnma<mode>"
+(define_insn_and_split "*fnma<VI:mode><P:mode>"
[(set (match_operand:VI 0 "register_operand" "=vr, vr, ?&vr")
(minus:VI
(match_operand:VI 3 "register_operand" " vr, 0, vr")
(mult:VI
(match_operand:VI 1 "register_operand" " %0, vr, vr")
(match_operand:VI 2 "register_operand" " vr, vr, vr"))))
- (clobber (match_scratch:SI 4 "=r,r,r"))]
+ (clobber (match_operand:P 4 "register_operand" "=r,r,r"))]
"TARGET_VECTOR"
"#"
"&& reload_completed"
[(const_int 0)]
{
- PUT_MODE (operands[4], Pmode);
- riscv_vector::emit_vlmax_vsetvl (<MODE>mode, operands[4]);
+ riscv_vector::emit_vlmax_vsetvl (<VI:MODE>mode, operands[4]);
if (which_alternative == 2)
emit_insn (gen_rtx_SET (operands[0], operands[3]));
rtx ops[] = {operands[0], operands[1], operands[2], operands[3], operands[0]};
- riscv_vector::emit_vlmax_ternary_insn (code_for_pred_minus_mul (<MODE>mode),
- riscv_vector::RVV_TERNOP, ops, operands[4]);
+ riscv_vector::emit_vlmax_ternary_insn (code_for_pred_minus_mul (<VI:MODE>mode),
+ riscv_vector::RVV_TERNOP, ops, operands[4]);
DONE;
}
[(set_attr "type" "vimuladd")
- (set_attr "mode" "<MODE>")])
+ (set_attr "mode" "<VI:MODE>")])
;; -------------------------------------------------------------------------
;; ---- [FP] VFMACC and VFMADD
--
2.36.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] RISC-V: Refactor the integer ternary autovec pattern
2023-06-21 22:38 [PATCH] RISC-V: Refactor the integer ternary autovec pattern Juzhe-Zhong
@ 2023-06-24 1:32 ` 钟居哲
2023-06-24 14:03 ` Jeff Law
1 sibling, 0 replies; 4+ messages in thread
From: 钟居哲 @ 2023-06-24 1:32 UTC (permalink / raw)
To: 钟居哲, gcc-patches
Cc: kito.cheng, palmer, rdapp.gcc, Jeff Law
[-- Attachment #1: Type: text/plain, Size: 5478 bytes --]
Is this patch ok for trunk ?
Tests are all passed.
juzhe.zhong@rivai.ai
From: Juzhe-Zhong
Date: 2023-06-22 06:38
To: gcc-patches
CC: kito.cheng; palmer; rdapp.gcc; jeffreyalaw; Juzhe-Zhong
Subject: [PATCH] RISC-V: Refactor the integer ternary autovec pattern
Long time ago, I encounter ICE when trying to set clobber register as Pmode
and I forgot the reason.
So, I clobber SI scratch and PUT_MODE to make it Pmode after reload which
makes patterns look unreasonable.
According to Jeff's comments, I tried it again, it works now when we try to
set clobber register as Pmode and the patterns look more reasonable now.
The tests are all passed, Ok for trunk.
gcc/ChangeLog:
* config/riscv/autovec.md (*fma<mode>): set clobber to Pmode in expand stage.
(*fma<VI:mode><P:mode>): Ditto.
(*fnma<mode>): Ditto.
(*fnma<VI:mode><P:mode>): Ditto.
---
gcc/config/riscv/autovec.md | 54 +++++++++++++++++++------------------
1 file changed, 28 insertions(+), 26 deletions(-)
diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md
index cf154b3737a..731ffe8ff89 100644
--- a/gcc/config/riscv/autovec.md
+++ b/gcc/config/riscv/autovec.md
@@ -596,40 +596,41 @@
;; result after reload_completed.
(define_expand "fma<mode>4"
[(parallel
- [(set (match_operand:VI 0 "register_operand" "=vr")
+ [(set (match_operand:VI 0 "register_operand")
(plus:VI
(mult:VI
- (match_operand:VI 1 "register_operand" " vr")
- (match_operand:VI 2 "register_operand" " vr"))
- (match_operand:VI 3 "register_operand" " vr")))
- (clobber (match_scratch:SI 4))])]
+ (match_operand:VI 1 "register_operand")
+ (match_operand:VI 2 "register_operand"))
+ (match_operand:VI 3 "register_operand")))
+ (clobber (match_dup 4))])]
"TARGET_VECTOR"
- {})
+ {
+ operands[4] = gen_reg_rtx (Pmode);
+ })
-(define_insn_and_split "*fma<mode>"
+(define_insn_and_split "*fma<VI:mode><P:mode>"
[(set (match_operand:VI 0 "register_operand" "=vr, vr, ?&vr")
(plus:VI
(mult:VI
(match_operand:VI 1 "register_operand" " %0, vr, vr")
(match_operand:VI 2 "register_operand" " vr, vr, vr"))
(match_operand:VI 3 "register_operand" " vr, 0, vr")))
- (clobber (match_scratch:SI 4 "=r,r,r"))]
+ (clobber (match_operand:P 4 "register_operand" "=r,r,r"))]
"TARGET_VECTOR"
"#"
"&& reload_completed"
[(const_int 0)]
{
- PUT_MODE (operands[4], Pmode);
- riscv_vector::emit_vlmax_vsetvl (<MODE>mode, operands[4]);
+ riscv_vector::emit_vlmax_vsetvl (<VI:MODE>mode, operands[4]);
if (which_alternative == 2)
emit_insn (gen_rtx_SET (operands[0], operands[3]));
rtx ops[] = {operands[0], operands[1], operands[2], operands[3], operands[0]};
- riscv_vector::emit_vlmax_ternary_insn (code_for_pred_mul_plus (<MODE>mode),
- riscv_vector::RVV_TERNOP, ops, operands[4]);
+ riscv_vector::emit_vlmax_ternary_insn (code_for_pred_mul_plus (<VI:MODE>mode),
+ riscv_vector::RVV_TERNOP, ops, operands[4]);
DONE;
}
[(set_attr "type" "vimuladd")
- (set_attr "mode" "<MODE>")])
+ (set_attr "mode" "<VI:MODE>")])
;; -------------------------------------------------------------------------
;; ---- [INT] VNMSAC and VNMSUB
@@ -641,40 +642,41 @@
(define_expand "fnma<mode>4"
[(parallel
- [(set (match_operand:VI 0 "register_operand" "=vr")
+ [(set (match_operand:VI 0 "register_operand")
(minus:VI
- (match_operand:VI 3 "register_operand" " vr")
+ (match_operand:VI 3 "register_operand")
(mult:VI
- (match_operand:VI 1 "register_operand" " vr")
- (match_operand:VI 2 "register_operand" " vr"))))
- (clobber (match_scratch:SI 4))])]
+ (match_operand:VI 1 "register_operand")
+ (match_operand:VI 2 "register_operand"))))
+ (clobber (match_dup 4))])]
"TARGET_VECTOR"
- {})
+ {
+ operands[4] = gen_reg_rtx (Pmode);
+ })
-(define_insn_and_split "*fnma<mode>"
+(define_insn_and_split "*fnma<VI:mode><P:mode>"
[(set (match_operand:VI 0 "register_operand" "=vr, vr, ?&vr")
(minus:VI
(match_operand:VI 3 "register_operand" " vr, 0, vr")
(mult:VI
(match_operand:VI 1 "register_operand" " %0, vr, vr")
(match_operand:VI 2 "register_operand" " vr, vr, vr"))))
- (clobber (match_scratch:SI 4 "=r,r,r"))]
+ (clobber (match_operand:P 4 "register_operand" "=r,r,r"))]
"TARGET_VECTOR"
"#"
"&& reload_completed"
[(const_int 0)]
{
- PUT_MODE (operands[4], Pmode);
- riscv_vector::emit_vlmax_vsetvl (<MODE>mode, operands[4]);
+ riscv_vector::emit_vlmax_vsetvl (<VI:MODE>mode, operands[4]);
if (which_alternative == 2)
emit_insn (gen_rtx_SET (operands[0], operands[3]));
rtx ops[] = {operands[0], operands[1], operands[2], operands[3], operands[0]};
- riscv_vector::emit_vlmax_ternary_insn (code_for_pred_minus_mul (<MODE>mode),
- riscv_vector::RVV_TERNOP, ops, operands[4]);
+ riscv_vector::emit_vlmax_ternary_insn (code_for_pred_minus_mul (<VI:MODE>mode),
+ riscv_vector::RVV_TERNOP, ops, operands[4]);
DONE;
}
[(set_attr "type" "vimuladd")
- (set_attr "mode" "<MODE>")])
+ (set_attr "mode" "<VI:MODE>")])
;; -------------------------------------------------------------------------
;; ---- [FP] VFMACC and VFMADD
--
2.36.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] RISC-V: Refactor the integer ternary autovec pattern
2023-06-21 22:38 [PATCH] RISC-V: Refactor the integer ternary autovec pattern Juzhe-Zhong
2023-06-24 1:32 ` 钟居哲
@ 2023-06-24 14:03 ` Jeff Law
2023-06-24 14:43 ` Li, Pan2
1 sibling, 1 reply; 4+ messages in thread
From: Jeff Law @ 2023-06-24 14:03 UTC (permalink / raw)
To: Juzhe-Zhong, gcc-patches; +Cc: kito.cheng, palmer, rdapp.gcc
On 6/21/23 16:38, Juzhe-Zhong wrote:
> Long time ago, I encounter ICE when trying to set clobber register as Pmode
> and I forgot the reason.
>
> So, I clobber SI scratch and PUT_MODE to make it Pmode after reload which
> makes patterns look unreasonable.
>
> According to Jeff's comments, I tried it again, it works now when we try to
> set clobber register as Pmode and the patterns look more reasonable now.
>
> The tests are all passed, Ok for trunk.
>
> gcc/ChangeLog:
>
> * config/riscv/autovec.md (*fma<mode>): set clobber to Pmode in expand stage.
> (*fma<VI:mode><P:mode>): Ditto.
> (*fnma<mode>): Ditto.
> (*fnma<VI:mode><P:mode>): Ditto.
OK
jeff
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH] RISC-V: Refactor the integer ternary autovec pattern
2023-06-24 14:03 ` Jeff Law
@ 2023-06-24 14:43 ` Li, Pan2
0 siblings, 0 replies; 4+ messages in thread
From: Li, Pan2 @ 2023-06-24 14:43 UTC (permalink / raw)
To: Jeff Law, Juzhe-Zhong, gcc-patches; +Cc: kito.cheng, palmer, rdapp.gcc
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: Saturday, June 24, 2023 10:04 PM
To: Juzhe-Zhong <juzhe.zhong@rivai.ai>; gcc-patches@gcc.gnu.org
Cc: kito.cheng@sifive.com; palmer@rivosinc.com; rdapp.gcc@gmail.com
Subject: Re: [PATCH] RISC-V: Refactor the integer ternary autovec pattern
On 6/21/23 16:38, Juzhe-Zhong wrote:
> Long time ago, I encounter ICE when trying to set clobber register as Pmode
> and I forgot the reason.
>
> So, I clobber SI scratch and PUT_MODE to make it Pmode after reload which
> makes patterns look unreasonable.
>
> According to Jeff's comments, I tried it again, it works now when we try to
> set clobber register as Pmode and the patterns look more reasonable now.
>
> The tests are all passed, Ok for trunk.
>
> gcc/ChangeLog:
>
> * config/riscv/autovec.md (*fma<mode>): set clobber to Pmode in expand stage.
> (*fma<VI:mode><P:mode>): Ditto.
> (*fnma<mode>): Ditto.
> (*fnma<VI:mode><P:mode>): Ditto.
OK
jeff
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-06-21 22:38 [PATCH] RISC-V: Refactor the integer ternary autovec pattern Juzhe-Zhong
2023-06-24 1:32 ` 钟居哲
2023-06-24 14:03 ` Jeff Law
2023-06-24 14:43 ` Li, Pan2
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