* [PATCH] C-SKY: Add insn "ldbs".
@ 2021-04-30 13:00 Geng Qi
2021-05-25 6:21 ` Cooper Qu
0 siblings, 1 reply; 4+ messages in thread
From: Geng Qi @ 2021-04-30 13:00 UTC (permalink / raw)
To: gcc-patches, cooper.qu; +Cc: Geng Qi
gcc/ChangeLog:
config/csky/csky.md (cskyv2_sextend_ldbs): New insn.
---
gcc/config/csky/csky.md | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md
index c27d627..b980d4c 100644
--- a/gcc/config/csky/csky.md
+++ b/gcc/config/csky/csky.md
@@ -1533,6 +1533,7 @@
}"
)
+;; hi -> si
(define_insn "extendhisi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(sign_extend:SI (match_operand:HI 1 "register_operand" "r")))]
@@ -1557,6 +1558,15 @@
"sextb %0, %1"
)
+(define_insn "*cskyv2_sextend_ldbs"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (sign_extend:SI (match_operand:QI 1 "csky_simple_mem_operand" "m")))]
+ "CSKY_ISA_FEATURE (E2)"
+ "ld.bs\t%0, %1"
+ [(set_attr "length" "4")
+ (set_attr "type" "load")]
+)
+
;; qi -> hi
(define_insn "extendqihi2"
[(set (match_operand:HI 0 "register_operand" "=r")
--
2.7.4
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] C-SKY: Add insn "ldbs".
2021-04-30 13:00 [PATCH] C-SKY: Add insn "ldbs" Geng Qi
@ 2021-05-25 6:21 ` Cooper Qu
0 siblings, 0 replies; 4+ messages in thread
From: Cooper Qu @ 2021-05-25 6:21 UTC (permalink / raw)
To: Geng Qi, gcc-patches
Hi Geng Qi,
Could you add a test case for this patch?
On 4/30/21 9:00 PM, Geng Qi wrote:
> gcc/ChangeLog:
>
> config/csky/csky.md (cskyv2_sextend_ldbs): New insn.
> ---
> gcc/config/csky/csky.md | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md
> index c27d627..b980d4c 100644
> --- a/gcc/config/csky/csky.md
> +++ b/gcc/config/csky/csky.md
> @@ -1533,6 +1533,7 @@
> }"
> )
>
> +;; hi -> si
> (define_insn "extendhisi2"
> [(set (match_operand:SI 0 "register_operand" "=r")
> (sign_extend:SI (match_operand:HI 1 "register_operand" "r")))]
> @@ -1557,6 +1558,15 @@
> "sextb %0, %1"
> )
>
> +(define_insn "*cskyv2_sextend_ldbs"
> + [(set (match_operand:SI 0 "register_operand" "=r")
> + (sign_extend:SI (match_operand:QI 1 "csky_simple_mem_operand" "m")))]
> + "CSKY_ISA_FEATURE (E2)"
> + "ld.bs\t%0, %1"
> + [(set_attr "length" "4")
> + (set_attr "type" "load")]
> +)
> +
> ;; qi -> hi
> (define_insn "extendqihi2"
> [(set (match_operand:HI 0 "register_operand" "=r")
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] C-SKY: Add insn "ldbs".
2021-05-25 10:45 Geng Qi
@ 2021-05-26 2:06 ` Cooper Qu
0 siblings, 0 replies; 4+ messages in thread
From: Cooper Qu @ 2021-05-26 2:06 UTC (permalink / raw)
To: Geng Qi, gcc-patches
merged.
On 5/25/21 6:45 PM, Geng Qi wrote:
> gcc/
> * config/csky/csky.md (cskyv2_sextend_ldbs): New insn.
>
> gcc/testsuite/
> * gcc/testsuite/gcc.target/csky/ldbs.c: New.
> ---
> gcc/config/csky/csky.md | 10 ++++++++++
> gcc/testsuite/gcc.target/csky/ldbs.c | 11 +++++++++++
> 2 files changed, 21 insertions(+)
> create mode 100644 gcc/testsuite/gcc.target/csky/ldbs.c
>
> diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md
> index c27d627..b980d4c 100644
> --- a/gcc/config/csky/csky.md
> +++ b/gcc/config/csky/csky.md
> @@ -1533,6 +1533,7 @@
> }"
> )
>
> +;; hi -> si
> (define_insn "extendhisi2"
> [(set (match_operand:SI 0 "register_operand" "=r")
> (sign_extend:SI (match_operand:HI 1 "register_operand" "r")))]
> @@ -1557,6 +1558,15 @@
> "sextb %0, %1"
> )
>
> +(define_insn "*cskyv2_sextend_ldbs"
> + [(set (match_operand:SI 0 "register_operand" "=r")
> + (sign_extend:SI (match_operand:QI 1 "csky_simple_mem_operand" "m")))]
> + "CSKY_ISA_FEATURE (E2)"
> + "ld.bs\t%0, %1"
> + [(set_attr "length" "4")
> + (set_attr "type" "load")]
> +)
> +
> ;; qi -> hi
> (define_insn "extendqihi2"
> [(set (match_operand:HI 0 "register_operand" "=r")
> diff --git a/gcc/testsuite/gcc.target/csky/ldbs.c b/gcc/testsuite/gcc.target/csky/ldbs.c
> new file mode 100644
> index 0000000..27a0254
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/csky/ldbs.c
> @@ -0,0 +1,11 @@
> +/* { dg-do compile } */
> +/* { dg-skip-if "" { *-*-* } { "-mcpu=ck801" "-march=ck801" } { "*" } } */
> +/* { dg-csky-options "-O1" } */
> +
> +int foo (signed char *pb)
> +{
> + return *pb;
> +}
> +
> +/* { dg-final { scan-assembler "ld.bs" } } */
> +
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] C-SKY: Add insn "ldbs".
@ 2021-05-25 10:45 Geng Qi
2021-05-26 2:06 ` Cooper Qu
0 siblings, 1 reply; 4+ messages in thread
From: Geng Qi @ 2021-05-25 10:45 UTC (permalink / raw)
To: gcc-patches, cooper.qu; +Cc: Geng Qi
gcc/
* config/csky/csky.md (cskyv2_sextend_ldbs): New insn.
gcc/testsuite/
* gcc/testsuite/gcc.target/csky/ldbs.c: New.
---
gcc/config/csky/csky.md | 10 ++++++++++
gcc/testsuite/gcc.target/csky/ldbs.c | 11 +++++++++++
2 files changed, 21 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/csky/ldbs.c
diff --git a/gcc/config/csky/csky.md b/gcc/config/csky/csky.md
index c27d627..b980d4c 100644
--- a/gcc/config/csky/csky.md
+++ b/gcc/config/csky/csky.md
@@ -1533,6 +1533,7 @@
}"
)
+;; hi -> si
(define_insn "extendhisi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(sign_extend:SI (match_operand:HI 1 "register_operand" "r")))]
@@ -1557,6 +1558,15 @@
"sextb %0, %1"
)
+(define_insn "*cskyv2_sextend_ldbs"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (sign_extend:SI (match_operand:QI 1 "csky_simple_mem_operand" "m")))]
+ "CSKY_ISA_FEATURE (E2)"
+ "ld.bs\t%0, %1"
+ [(set_attr "length" "4")
+ (set_attr "type" "load")]
+)
+
;; qi -> hi
(define_insn "extendqihi2"
[(set (match_operand:HI 0 "register_operand" "=r")
diff --git a/gcc/testsuite/gcc.target/csky/ldbs.c b/gcc/testsuite/gcc.target/csky/ldbs.c
new file mode 100644
index 0000000..27a0254
--- /dev/null
+++ b/gcc/testsuite/gcc.target/csky/ldbs.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-skip-if "" { *-*-* } { "-mcpu=ck801" "-march=ck801" } { "*" } } */
+/* { dg-csky-options "-O1" } */
+
+int foo (signed char *pb)
+{
+ return *pb;
+}
+
+/* { dg-final { scan-assembler "ld.bs" } } */
+
--
2.7.4
^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-04-30 13:00 [PATCH] C-SKY: Add insn "ldbs" Geng Qi
2021-05-25 6:21 ` Cooper Qu
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2021-05-26 2:06 ` Cooper Qu
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