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Add soft-float, no-sse, no-avx, no-mmx for x64 targets.

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This commit is contained in:
Christoffer Lerno
2021-08-16 00:00:05 +02:00
parent 29a41560de
commit bc087759c8
4 changed files with 24 additions and 3 deletions
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3
src/build/build_options.h
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@@ -237,6 +237,9 @@ typedef struct
bool no_memcpy_pass : 1;
bool trap_on_wrap : 1;
bool safe_mode : 1;
bool no_sse : 1;
bool no_mmx : 1;
bool no_avx : 1;
} feature;
} BuildTarget;

3
src/build/project.c
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@@ -197,6 +197,9 @@ void project_add_target(Project *project, TomlValue *wrapped_table, const char *
// Use the fact that they correspond to 0, 1, -1
target->feature.struct_return = get_valid_bool(table, "stack-struct-return", type, STRUCT_RETURN_DEFAULT);
target->feature.soft_float = get_valid_bool(table, "soft-float", type, SOFT_FLOAT_DEFAULT);
target->feature.no_avx = get_valid_bool(table, "no-avx", type, false);
target->feature.no_sse = get_valid_bool(table, "no-sse", type, false);
target->feature.no_mmx = get_valid_bool(table, "no-mmx", type, false);
}
static void project_add_targets(Project *project, TomlTable *table, const char *type, const char *type_key, TargetType target_type)

18
src/compiler/target.c
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@@ -381,11 +381,15 @@ static inline void target_setup_x86_abi(BuildTarget *target)
}
static inline void target_setup_x64_abi(void)
static inline void target_setup_x64_abi(BuildTarget *target)
{
platform_target.abi = ABI_X64;
platform_target.x64.avx_level = AVX;
platform_target.x64.is_win64 = platform_target.os == OS_TYPE_WIN32;
if (target->feature.no_avx) platform_target.x64.avx_level = AVX_NONE;
if (target->feature.no_mmx) platform_target.x64.no_mmx = true;
if (target->feature.no_sse) platform_target.x64.no_sse = true;
if (target->feature.soft_float) platform_target.x64.soft_float = true;
if (platform_target.environment_type == ENV_TYPE_GNU)
{
platform_target.x64.is_mingw64 = platform_target.x64.is_win64;
@@ -1110,8 +1114,16 @@ void *llvm_target_machine_create(void)
reloc_mode = LLVMRelocDynamicNoPic;
}
scratch_buffer_clear();
if (platform_target.arch == ARCH_TYPE_X86_64)
{
if (platform_target.x64.avx_level == AVX_NONE) scratch_buffer_append("-avx,");
if (platform_target.x64.no_sse) scratch_buffer_append("-sse,");
if (platform_target.x64.soft_float) scratch_buffer_append("+soft-float,");
if (platform_target.x64.no_mmx) scratch_buffer_append("-mmx,");
}
void *result = LLVMCreateTargetMachine(target, platform_target.target_triple,
platform_target.cpu ?: "", platform_target.features ?: "",
platform_target.cpu ?: "", scratch_buffer_to_string(),
(LLVMCodeGenOptLevel)platform_target.llvm_opt_level,
reloc_mode, LLVMCodeModelDefault);
if (!result) error_exit("Failed to create target machine.");
@@ -1301,7 +1313,7 @@ void target_setup(BuildTarget *target)
target_setup_x86_abi(target);
break;
case ARCH_TYPE_X86_64:
target_setup_x64_abi();
target_setup_x64_abi(target);
platform_target.x64.avx_level = 0; /* TODO */
if (platform_target.os == OS_TYPE_WIN32)
{

3
src/compiler/target.h
View File

@@ -266,6 +266,9 @@ typedef struct
struct
{
AVXLevel avx_level : 3;
bool no_mmx : 1;
bool no_sse : 1;
bool soft_float : 1;
bool is_win64 : 1;
bool is_mingw64 : 1;
bool pass_int128_vector_in_mem : 1;