From 9260fb066b7ed0b237a3300e05fca9bffe018c6b Mon Sep 17 00:00:00 2001 From: Stam Markianos-Wright Date: Fri, 20 Dec 2019 15:52:39 +0000 Subject: [PATCH] gcc/testsuite/ChangeLog: 2019-12-20 Stam Markianos-Wright * lib/target-supports.exp (check_effective_target_arm_v8_2a_i8mm_ok_nocache): New. (check_effective_target_arm_v8_2a_i8mm_ok): New. (add_options_for_arm_v8_2a_i8mm): New. (check_effective_target_arm_v8_2a_bf16_neon_ok_nocache): New. (check_effective_target_arm_v8_2a_bf16_neon_ok): New. (add_options_for_arm_v8_2a_bf16_neon): New. gcc/Changelog: 2019-12-20 Stam Markianos-Wright * doc/sourcebuild.texi (arm_v8_2a_bf16_neon_ok): Document new target supports option. (arm_v8_2a_i8mm_ok): Likewise. From-SVN: r279648 --- gcc/ChangeLog | 6 +++ gcc/doc/sourcebuild.texi | 10 +++++ gcc/testsuite/ChangeLog | 10 +++++ gcc/testsuite/lib/target-supports.exp | 82 +++++++++++++++++++++++++++++++++++ 4 files changed, 108 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 686c727..5ac079a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-12-20 Stam Markianos-Wright + + * doc/sourcebuild.texi + (arm_v8_2a_bf16_neon_ok): Document new target supports option. + (arm_v8_2a_i8mm_ok): Likewise. + 2019-12-20 Jakub Jelinek PR target/92841 diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index 85573a4..fdfd9dc 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1877,6 +1877,16 @@ ARM target supports extensions to generate the @code{VFMAL} and @code{VFMLS} half-precision floating-point instructions available from ARMv8.2-A and onwards. Some multilibs may be incompatible with these options. +@item arm_v8_2a_bf16_neon_ok +ARM target supports options to generate instructions from ARMv8.2-A with +the BFloat16 extension (bf16). Some multilibs may be incompatible with these +options. + +@item arm_v8_2a_i8mm_ok +ARM target supports options to generate instructions from ARMv8.2-A with +the 8-Bit Integer Matrix Multiply extension (i8mm). Some multilibs may be +incompatible with these options. + @item arm_prefer_ldrd_strd ARM target prefers @code{LDRD} and @code{STRD} instructions over @code{LDM} and @code{STM} instructions. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 18c2044..a6de3e6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,13 @@ +2019-12-20 Stam Markianos-Wright + + * lib/target-supports.exp + (check_effective_target_arm_v8_2a_i8mm_ok_nocache): New. + (check_effective_target_arm_v8_2a_i8mm_ok): New. + (add_options_for_arm_v8_2a_i8mm): New. + (check_effective_target_arm_v8_2a_bf16_neon_ok_nocache): New. + (check_effective_target_arm_v8_2a_bf16_neon_ok): New. + (add_options_for_arm_v8_2a_bf16_neon): New. + 2019-12-20 Roman Zhuykov * gcc.dg/pr92951-1.c: Rename to ... diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 98f1141..cbd97b2 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -4781,6 +4781,49 @@ proc add_options_for_arm_v8_2a_dotprod_neon { flags } { return "$flags $et_arm_v8_2a_dotprod_neon_flags" } +# Return 1 if the target supports ARMv8.2+i8mm Adv.SIMD Dot Product +# instructions, 0 otherwise. The test is valid for ARM and for AArch64. +# Record the command line options needed. + +proc check_effective_target_arm_v8_2a_i8mm_ok_nocache { } { + global et_arm_v8_2a_i8mm_flags + set et_arm_v8_2a_i8mm_flags "" + + if { ![istarget arm*-*-*] && ![istarget aarch64*-*-*] } { + return 0; + } + + # Iterate through sets of options to find the compiler flags that + # need to be added to the -march option. + foreach flags {"" "-mfloat-abi=hard -mfpu=neon-fp-armv8" "-mfloat-abi=softfp -mfpu=neon-fp-armv8" } { + if { [check_no_compiler_messages_nocache \ + arm_v8_2a_i8mm_ok object { + #include + #if !defined (__ARM_FEATURE_MATMUL_INT8) + #error "__ARM_FEATURE_MATMUL_INT8 not defined" + #endif + } "$flags -march=armv8.2-a+i8mm"] } { + set et_arm_v8_2a_i8mm_flags "$flags -march=armv8.2-a+i8mm" + return 1 + } + } + + return 0; +} + +proc check_effective_target_arm_v8_2a_i8mm_ok { } { + return [check_cached_effective_target arm_v8_2a_i8mm_ok \ + check_effective_target_arm_v8_2a_i8mm_ok_nocache] +} + +proc add_options_for_arm_v8_2a_i8mm { flags } { + if { ! [check_effective_target_arm_v8_2a_i8mm_ok] } { + return "$flags" + } + global et_arm_v8_2a_i8mm_flags + return "$flags $et_arm_v8_2a_i8mm_flags" +} + # Return 1 if the target supports FP16 VFMAL and VFMSL # instructions, 0 otherwise. # Record the command line options needed. @@ -4826,6 +4869,45 @@ proc add_options_for_arm_fp16fml_neon { flags } { return "$flags $et_arm_fp16fml_neon_flags" } +# Return 1 if the target supports BFloat16 SIMD instructions, 0 otherwise. +# The test is valid for ARM and for AArch64. + +proc check_effective_target_arm_v8_2a_bf16_neon_ok_nocache { } { + global et_arm_v8_2a_bf16_neon_flags + set et_arm_v8_2a_bf16_neon_flags "" + + if { ![istarget arm*-*-*] && ![istarget aarch64*-*-*] } { + return 0; + } + + foreach flags {"" "-mfloat-abi=hard -mfpu=neon-fp-armv8" "-mfloat-abi=softfp -mfpu=neon-fp-armv8" } { + if { [check_no_compiler_messages_nocache arm_v8_2a_bf16_neon_ok object { + #include + #if !defined (__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) + #error "__ARM_FEATURE_BF16_VECTOR_ARITHMETIC not defined" + #endif + } "$flags -march=armv8.2-a+bf16"] } { + set et_arm_v8_2a_bf16_neon_flags "$flags -march=armv8.2-a+bf16" + return 1 + } + } + + return 0; +} + +proc check_effective_target_arm_v8_2a_bf16_neon_ok { } { + return [check_cached_effective_target arm_v8_2a_bf16_neon_ok \ + check_effective_target_arm_v8_2a_bf16_neon_ok_nocache] +} + +proc add_options_for_arm_v8_2a_bf16_neon { flags } { + if { ! [check_effective_target_arm_v8_2a_bf16_neon_ok] } { + return "$flags" + } + global et_arm_v8_2a_bf16_neon_flags + return "$flags $et_arm_v8_2a_bf16_neon_flags" +} + # Return 1 if the target supports executing ARMv8 NEON instructions, 0 # otherwise. -- 2.7.4