diff options
Diffstat (limited to 'gcc/testsuite/lib/target-supports.exp')
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 87 |
1 files changed, 86 insertions, 1 deletions
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 677230c1406..290704dabea 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -4156,6 +4156,51 @@ proc check_effective_target_arm_v8_2a_fp16_neon_ok { } { check_effective_target_arm_v8_2a_fp16_neon_ok_nocache] } +# Return 1 if the target supports ARMv8.2 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_dotprod_neon_ok_nocache { } { + global et_arm_v8_2a_dotprod_neon_flags + set et_arm_v8_2a_dotprod_neon_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=softfp -mfpu=neon-fp-armv8" "-mfloat-abi=hard -mfpu=neon-fp-armv8"} { + if { [check_no_compiler_messages_nocache \ + arm_v8_2a_dotprod_neon_ok object { + #if !defined (__ARM_FEATURE_DOTPROD) + #error "__ARM_FEATURE_DOTPROD not defined" + #else + /* Make sure including arm_neon.h is OK. */ + #include <arm_neon.h> + #endif + } "$flags -march=armv8.2-a+dotprod"] } { + set et_arm_v8_2a_dotprod_neon_flags "$flags -march=armv8.2-a+dotprod" + return 1 + } + } + + return 0; +} + +proc check_effective_target_arm_v8_2a_dotprod_neon_ok { } { + return [check_cached_effective_target arm_v8_2a_dotprod_neon_ok \ + check_effective_target_arm_v8_2a_dotprod_neon_ok_nocache] +} + +proc add_options_for_arm_v8_2a_dotprod_neon { flags } { + if { ! [check_effective_target_arm_v8_2a_dotprod_neon_ok] } { + return "$flags" + } + global et_arm_v8_2a_dotprod_neon_flags + return "$flags $et_arm_v8_2a_dotprod_neon_flags" +} + # Return 1 if the target supports executing ARMv8 NEON instructions, 0 # otherwise. @@ -4293,6 +4338,42 @@ proc check_effective_target_arm_v8_2a_fp16_neon_hw { } { } [add_options_for_arm_v8_2a_fp16_neon ""]] } +# Return 1 if the target supports executing AdvSIMD instructions from ARMv8.2 +# with the Dot Product extension, 0 otherwise. The test is valid for ARM and for +# AArch64. + +proc check_effective_target_arm_v8_2a_dotprod_neon_hw { } { + if { ![check_effective_target_arm_v8_2a_dotprod_neon_ok] } { + return 0; + } + return [check_runtime arm_v8_2a_dotprod_neon_hw_available { + #include "arm_neon.h" + int + main (void) + { + + uint32x2_t results = {0,0}; + uint8x8_t a = {1,1,1,1,2,2,2,2}; + uint8x8_t b = {2,2,2,2,3,3,3,3}; + + #ifdef __ARM_ARCH_ISA_A64 + asm ("udot %0.2s, %1.8b, %2.8b" + : "=w"(results) + : "w"(a), "w"(b) + : /* No clobbers. */); + + #else + asm ("vudot.u8 %P0, %P1, %P2" + : "=w"(results) + : "w"(a), "w"(b) + : /* No clobbers. */); + #endif + + return (results[0] == 8 && results[1] == 24) ? 1 : 0; + } + } [add_options_for_arm_v8_2a_dotprod_neon ""]] +} + # Return 1 if this is a ARM target with NEON enabled. proc check_effective_target_arm_neon { } { @@ -5563,6 +5644,8 @@ proc check_effective_target_vect_sdot_qi { } { } else { set et_vect_sdot_qi_saved($et_index) 0 if { [istarget ia64-*-*] + || [istarget aarch64*-*-*] + || [istarget arm*-*-*] || ([istarget mips*-*-*] && [et-is-effective-target mips_msa]) } { set et_vect_udot_qi_saved 1 @@ -5587,6 +5670,8 @@ proc check_effective_target_vect_udot_qi { } { } else { set et_vect_udot_qi_saved($et_index) 0 if { [istarget powerpc*-*-*] + || [istarget aarch64*-*-*] + || [istarget arm*-*-*] || [istarget ia64-*-*] || ([istarget mips*-*-*] && [et-is-effective-target mips_msa]) } { @@ -7885,7 +7970,7 @@ proc check_effective_target_aarch64_tiny { } { # Create functions to check that the AArch64 assembler supports the # various architecture extensions via the .arch_extension pseudo-op. -foreach { aarch64_ext } { "fp" "simd" "crypto" "crc" "lse"} { +foreach { aarch64_ext } { "fp" "simd" "crypto" "crc" "lse" "dotprod"} { eval [string map [list FUNC $aarch64_ext] { proc check_effective_target_aarch64_asm_FUNC_ok { } { if { [istarget aarch64*-*-*] } { |