[PATCH] fix testcase gcc.target/aarch64/insv_1.c

Qian, Jianhua qianjh@cn.fujitsu.com
Thu Aug 27 03:25:36 GMT 2020


Hi Richard

I found that some instructions are using '#' before immediate value,
and others are not. For example
(define_insn "insv_imm<mode>"
  [(set (zero_extract:GPI (match_operand:GPI 0 "register_operand" "+r")
			  (const_int 16)
			  (match_operand:GPI 1 "const_int_operand" "n"))
	(match_operand:GPI 2 "const_int_operand" "n"))]
  "UINTVAL (operands[1]) < GET_MODE_BITSIZE (<MODE>mode)
   && UINTVAL (operands[1]) % 16 == 0"
  "movk\\t%<w>0, %X2, lsl %1"
  [(set_attr "type" "mov_imm")]
)

Are there any standards for this?

Regards
Qian

-----Original Message-----
From: Richard Sandiford <richard.sandiford@arm.com> 
Sent: Wednesday, August 26, 2020 6:09 PM
To: Qian, Jianhua/钱 建华 <qianjh@cn.fujitsu.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] fix testcase gcc.target/aarch64/insv_1.c

Qian Jianhua <qianjh@cn.fujitsu.com> writes:
> There are three failures in gcc.target/aarch64/insv_1.c.
>  FAIL: gcc.target/aarch64/insv_1.c scan-assembler bfi\tx[0-9]+, 
> x[0-9]+, 0, 8
>  FAIL: gcc.target/aarch64/insv_1.c scan-assembler bfi\tx[0-9]+, 
> x[0-9]+, 16, 5
>  FAIL: gcc.target/aarch64/insv_1.c scan-assembler movk\tx[0-9]+, 
> 0x1d6b, lsl 32
>
> This patch fix the third failure which was missed "#" before immediate 
> value in scan-assembler.

Thanks, pushed to master.

Richard

> gcc/testsuite/ChangeLog:
>
> 	* gcc.target/aarch64/insv_1.c: Add '#' in scan-assembler
>
> ---
>  gcc/testsuite/gcc.target/aarch64/insv_1.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/testsuite/gcc.target/aarch64/insv_1.c 
> b/gcc/testsuite/gcc.target/aarch64/insv_1.c
> index 360a9892ad9..9efa22e649d 100644
> --- a/gcc/testsuite/gcc.target/aarch64/insv_1.c
> +++ b/gcc/testsuite/gcc.target/aarch64/insv_1.c
> @@ -32,7 +32,7 @@ bfi2 (bitfield a)
>  bitfield
>  movk (bitfield a)
>  {
> -  /* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0x1d6b, lsl 32" } 
> } */
> +  /* { dg-final { scan-assembler "movk\tx\[0-9\]+, #0x1d6b, lsl 32" } 
> + } */
>    a.sixteen = 7531;
>    return a;
>  }






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