From 3535402e20118655b2ad4085a6e1d4f1b9c46e92 Mon Sep 17 00:00:00 2001 From: Andrew Stubbs Date: Thu, 22 Oct 2020 21:23:48 +0100 Subject: [PATCH] amdgcn: Add gfx908 support gcc/ * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908. * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908. (output_file_start): Add gfx908. * config/gcn/gcn.opt (gpu_type): Add gfx908. * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908. (MULTILIB_DIRNAMES): Add gfx908. * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define. (main): Recognize gfx908. * config/gcn/t-omp-device: Add gfx908. libgomp/ * plugin/plugin-gcn.c (EF_AMDGPU_MACH): Add EF_AMDGPU_MACH_AMDGCN_GFX908. (gcn_gfx908_s): New constant string. (isa_hsa_name): Add gfx908. (isa_code): Add gfx908. --- gcc/config/gcn/gcn-opts.h | 3 ++- gcc/config/gcn/gcn.c | 3 +++ gcc/config/gcn/gcn.opt | 3 +++ gcc/config/gcn/mkoffload.c | 4 ++++ gcc/config/gcn/t-gcn-hsa | 4 ++-- gcc/config/gcn/t-omp-device | 2 +- libgomp/plugin/plugin-gcn.c | 7 +++++++ 7 files changed, 22 insertions(+), 4 deletions(-) diff --git a/gcc/config/gcn/gcn-opts.h b/gcc/config/gcn/gcn-opts.h index ed9b451..ed67d01 100644 --- a/gcc/config/gcn/gcn-opts.h +++ b/gcc/config/gcn/gcn-opts.h @@ -22,7 +22,8 @@ enum processor_type { PROCESSOR_FIJI, // gfx803 PROCESSOR_VEGA10, // gfx900 - PROCESSOR_VEGA20 // gfx906 + PROCESSOR_VEGA20, // gfx906 + PROCESSOR_GFX908 // as yet unnamed }; /* Set in gcn_option_override. */ diff --git a/gcc/config/gcn/gcn.c b/gcc/config/gcn/gcn.c index 2351b24..e8bb0b6 100644 --- a/gcc/config/gcn/gcn.c +++ b/gcc/config/gcn/gcn.c @@ -2589,6 +2589,8 @@ gcn_omp_device_kind_arch_isa (enum omp_device_kind_arch_isa trait, return gcn_arch == PROCESSOR_VEGA10; if (strcmp (name, "gfx906") == 0) return gcn_arch == PROCESSOR_VEGA20; + if (strcmp (name, "gfx908") == 0) + return gcn_arch == PROCESSOR_GFX908; return 0; default: gcc_unreachable (); @@ -5030,6 +5032,7 @@ output_file_start (void) case PROCESSOR_FIJI: cpu = "gfx803"; break; case PROCESSOR_VEGA10: cpu = "gfx900"; break; case PROCESSOR_VEGA20: cpu = "gfx906"; break; + case PROCESSOR_GFX908: cpu = "gfx908+sram-ecc"; break; default: gcc_unreachable (); } diff --git a/gcc/config/gcn/gcn.opt b/gcc/config/gcn/gcn.opt index 7fd84f8..767d458 100644 --- a/gcc/config/gcn/gcn.opt +++ b/gcc/config/gcn/gcn.opt @@ -34,6 +34,9 @@ Enum(gpu_type) String(gfx900) Value(PROCESSOR_VEGA10) EnumValue Enum(gpu_type) String(gfx906) Value(PROCESSOR_VEGA20) +EnumValue +Enum(gpu_type) String(gfx908) Value(PROCESSOR_GFX908) + march= Target RejectNegative Joined ToLower Enum(gpu_type) Var(gcn_arch) Init(PROCESSOR_FIJI) Specify the name of the target GPU. diff --git a/gcc/config/gcn/mkoffload.c b/gcc/config/gcn/mkoffload.c index eb1c717..dc9d518 100644 --- a/gcc/config/gcn/mkoffload.c +++ b/gcc/config/gcn/mkoffload.c @@ -51,6 +51,8 @@ #define EF_AMDGPU_MACH_AMDGCN_GFX900 0x2c #undef EF_AMDGPU_MACH_AMDGCN_GFX906 #define EF_AMDGPU_MACH_AMDGCN_GFX906 0x2f +#undef EF_AMDGPU_MACH_AMDGCN_GFX908 +#define EF_AMDGPU_MACH_AMDGCN_GFX908 0x230 // Assume SRAM-ECC enabled. #ifndef R_AMDGPU_NONE #define R_AMDGPU_NONE 0 @@ -856,6 +858,8 @@ main (int argc, char **argv) elf_arch = EF_AMDGPU_MACH_AMDGCN_GFX900; else if (strcmp (argv[i], "-march=gfx906") == 0) elf_arch = EF_AMDGPU_MACH_AMDGCN_GFX906; + else if (strcmp (argv[i], "-march=gfx908") == 0) + elf_arch = EF_AMDGPU_MACH_AMDGCN_GFX908; } if (!(fopenacc ^ fopenmp)) diff --git a/gcc/config/gcn/t-gcn-hsa b/gcc/config/gcn/t-gcn-hsa index bf47da7..ee4d9b3 100644 --- a/gcc/config/gcn/t-gcn-hsa +++ b/gcc/config/gcn/t-gcn-hsa @@ -42,8 +42,8 @@ ALL_HOST_OBJS += gcn-run.o gcn-run$(exeext): gcn-run.o +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ $< -ldl -MULTILIB_OPTIONS = march=gfx900/march=gfx906 -MULTILIB_DIRNAMES = gfx900 gfx906 +MULTILIB_OPTIONS = march=gfx900/march=gfx906/march=gfx908 +MULTILIB_DIRNAMES = gfx900 gfx906 gfx908 gcn-tree.o: $(srcdir)/config/gcn/gcn-tree.c $(COMPILE) $< diff --git a/gcc/config/gcn/t-omp-device b/gcc/config/gcn/t-omp-device index d9809d5..8461c43 100644 --- a/gcc/config/gcn/t-omp-device +++ b/gcc/config/gcn/t-omp-device @@ -1,4 +1,4 @@ omp-device-properties-gcn: $(srcdir)/config/gcn/gcn.c echo kind: gpu > $@ echo arch: gcn >> $@ - echo isa: fiji gfx900 gfx906 >> $@ + echo isa: fiji gfx900 gfx906 gfx908 >> $@ diff --git a/libgomp/plugin/plugin-gcn.c b/libgomp/plugin/plugin-gcn.c index 47f0b6e..8e6af69 100644 --- a/libgomp/plugin/plugin-gcn.c +++ b/libgomp/plugin/plugin-gcn.c @@ -403,6 +403,7 @@ typedef enum { EF_AMDGPU_MACH_AMDGCN_GFX803 = 0x02a, EF_AMDGPU_MACH_AMDGCN_GFX900 = 0x02c, EF_AMDGPU_MACH_AMDGCN_GFX906 = 0x02f, + EF_AMDGPU_MACH_AMDGCN_GFX908 = 0x030 } EF_AMDGPU_MACH; const static int EF_AMDGPU_MACH_MASK = 0x000000ff; @@ -1596,6 +1597,7 @@ elf_gcn_isa_field (Elf64_Ehdr *image) const static char *gcn_gfx803_s = "gfx803"; const static char *gcn_gfx900_s = "gfx900"; const static char *gcn_gfx906_s = "gfx906"; +const static char *gcn_gfx908_s = "gfx908"; const static int gcn_isa_name_len = 6; /* Returns the name that the HSA runtime uses for the ISA or NULL if we do not @@ -1611,6 +1613,8 @@ isa_hsa_name (int isa) { return gcn_gfx900_s; case EF_AMDGPU_MACH_AMDGCN_GFX906: return gcn_gfx906_s; + case EF_AMDGPU_MACH_AMDGCN_GFX908: + return gcn_gfx908_s; } return NULL; } @@ -1644,6 +1648,9 @@ isa_code(const char *isa) { if (!strncmp (isa, gcn_gfx906_s, gcn_isa_name_len)) return EF_AMDGPU_MACH_AMDGCN_GFX906; + if (!strncmp (isa, gcn_gfx908_s, gcn_isa_name_len)) + return EF_AMDGPU_MACH_AMDGCN_GFX908; + return -1; } -- 2.7.4