eden-emu/opus
20
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add OPUS_ARM_INLINE_DOTPROD dotprod check

Browse source 
fixes:
  ../meson.build:322:9: ERROR: Unknown variable "opus_arm_may_have_dotprod"

after:
  dotprod check passes through.

Checking if "compiler supports gcc-style inline assembly" compiles: YES
Checking if "assembler supports EDSP instructions on ARM" compiles: YES
Checking if "assembler supports ARMv6 media instructions on ARM" compiles: YES
Checking if "assembler supports NEON instructions on ARM" compiles: YES
Checking if "assembler supports DOTPROD instructions on ARM" compiles: NO
Program perl found: YES (/usr/bin/perl)
Fetching value of define "__APPLE__" : (undefined)
Checking if "compiler supports ARMv7/AArch64 NEON intrinsics" : links: YES
Checking if "compiler supports AArch64 NEON intrinsics" : links: NO
Checking if "compiler supports AArch64 NEON intrinsics with -mfpu=neon" : links: NO
Message: Compiler does not support AArch64 NEON intrinsics
Checking if "compiler supports AArch64 DOTPROD intrinsics" : links: NO
Checking if "compiler supports AArch64 DOTPROD intrinsics with -march=armv8.2-a+dotprod" : links: NO
Message: Compiler does not support AArch64 DOTPROD intrinsics

refer:
- https://community.arm.com/arm-community-blogs/b/tools-software-ides-blog/posts/exploring-the-arm-dot-product-instructions

test with:
armv7ve-none-linux-gnueabihf-gcc test.c
/tmp/cc02sooK.s: Assembler messages:
/tmp/cc02sooK.s:32: Error: bad instruction `udot v0.4s,v1.16b,v2.16b'

aarch64-none-linux-gnu-gcc test.c
/tmp/ccnVi9Ec.s: Assembler messages:
/tmp/ccnVi9Ec.s:12: Error: selected processor does not support `udot v0.4s,v1.16b,v2.16b'

aarch64-none-linux-gnu-gcc -march=armv8.2-a+dotprod test.c

Signed-off-by: Rudi Heitbaum <rudi@heitbaum.com>
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
This commit is contained in:
Rudi Heitbaum 2024-03-09 18:55:53 +00:00 • committed by Jean-Marc Valin
parent e2d01822e5
commit a8e4ebb550
No known key found for this signature in database
GPG key ID: 5E5DD9A36F9189C8
1 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
meson.build
View file

@ -252,6 +252,13 @@ if not opt_asm.disabled()
opus_conf.set('OPUS_ARM_INLINE_NEON', 1)
inline_optimization += ['NEON']
endif
# AS_ASM_ARM_DOTPROD
if cc.compiles(asm_tmpl.format('udot v0.4s,v1.16b,v2.16b'),
name : 'assembler supports DOTPROD instructions on ARM')
opus_conf.set('OPUS_ARM_INLINE_DOTPROD', 1)
inline_optimization += ['DOTPROD']
endif
endif
# We need Perl to translate RVCT-syntax asm to gas syntax
@ -273,6 +280,9 @@ if not opt_asm.disabled()
opus_arm_may_have_neon = opus_conf.has('OPUS_ARM_INLINE_NEON')
opus_arm_presume_neon = opus_arm_may_have_neon and opus_can_presume_simd
opus_arm_may_have_dotprod = opus_conf.has('OPUS_ARM_INLINE_DOTPROD')
opus_arm_presume_dotprod = opus_arm_may_have_dotprod and opus_can_presume_simd
if not opt_rtcd.disabled()
if not opus_arm_may_have_edsp
message('Trying to force-enable armv5e EDSP instructions...')