ref: a8e4ebb550dbdbb6149ad02d390c34442c8db951
parent: e2d01822e569f8a7865964f6aa56cf2f81d088bf
author: Rudi Heitbaum <rudi@heitbaum.com>
date: Sat Mar 9 13:55:53 EST 2024
Add OPUS_ARM_INLINE_DOTPROD dotprod check 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>
--- a/meson.build
+++ b/meson.build
@@ -252,6 +252,13 @@
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
@@ -272,6 +279,9 @@
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
--
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