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Add llvm_get_inline_asm for future compatibility

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This commit is contained in:
gingerBill
2021-10-26 11:44:25 +01:00
parent c9e6862332
commit 72cc92dc5c
3 changed files with 20 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/llvm_backend_expr.cpp
+1 -5
View File
@@ -2510,11 +2510,7 @@ lbValue lb_build_expr(lbProcedure *p, Ast *expr) {
}
LLVMTypeRef func_type = LLVMGetElementType(lb_type(p->module, t));
LLVMValueRef the_asm = LLVMGetInlineAsm(func_type,
cast(char *)asm_string.text, cast(size_t)asm_string.len,
cast(char *)constraints_string.text, cast(size_t)constraints_string.len,
ia->has_side_effects, ia->is_align_stack, dialect
);
LLVMValueRef the_asm = llvm_get_inline_asm(func_type, asm_string, constraints_string, ia->has_side_effects, ia->has_side_effects, dialect);
GB_ASSERT(the_asm != nullptr);
return {the_asm, t};
case_end;
src/llvm_backend_proc.cpp
+6 -23
View File
@@ -1335,22 +1335,12 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
if (build_context.metrics.arch == TargetArch_386 ||
build_context.metrics.arch == TargetArch_amd64) {
LLVMTypeRef func_type = LLVMFunctionType(LLVMVoidTypeInContext(p->module->ctx), nullptr, 0, false);
LLVMValueRef the_asm = LLVMGetInlineAsm(func_type,
cast(char *)"pause", 5,
cast(char *)"", 0,
/*HasSideEffects*/true, /*IsAlignStack*/false,
LLVMInlineAsmDialectATT
);
LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("pause"), {});
GB_ASSERT(the_asm != nullptr);
LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
} else if (build_context.metrics.arch == TargetArch_arm64) {
LLVMTypeRef func_type = LLVMFunctionType(LLVMVoidTypeInContext(p->module->ctx), nullptr, 0, false);
LLVMValueRef the_asm = LLVMGetInlineAsm(func_type,
cast(char *)"yield", 5,
cast(char *)"", 0,
/*HasSideEffects*/true, /*IsAlignStack*/false,
LLVMInlineAsmDialectATT
);
LLVMValueRef the_asm = llvm_get_inline_asm(func_type, str_lit("yield"), {});
GB_ASSERT(the_asm != nullptr);
LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
}
@@ -1961,10 +1951,8 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
constraints = gb_string_appendc(constraints, regs[i]);
constraints = gb_string_appendc(constraints, "}");
}
size_t asm_string_size = gb_strlen(asm_string);
size_t constraints_size = gb_string_length(constraints);
inline_asm = LLVMGetInlineAsm(func_type, asm_string, asm_string_size, constraints, constraints_size, true, false, LLVMInlineAsmDialectATT);
inline_asm = llvm_get_inline_asm(func_type, make_string_c(asm_string), make_string_c(constraints));
}
break;
case TargetArch_386:
@@ -1995,10 +1983,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
constraints = gb_string_appendc(constraints, ",rm");
}
size_t asm_string_size = gb_strlen(asm_string);
size_t constraints_size = gb_string_length(constraints);
inline_asm = LLVMGetInlineAsm(func_type, asm_string, asm_string_size, constraints, constraints_size, true, false, LLVMInlineAsmDialectATT);
inline_asm = llvm_get_inline_asm(func_type, make_string_c(asm_string), make_string_c(constraints));
}
break;
case TargetArch_arm64:
@@ -2021,10 +2006,8 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
constraints = gb_string_appendc(constraints, regs[i]);
constraints = gb_string_appendc(constraints, "}");
}
size_t asm_string_size = gb_strlen(asm_string);
size_t constraints_size = gb_string_length(constraints);
inline_asm = LLVMGetInlineAsm(func_type, asm_string, asm_string_size, constraints, constraints_size, true, false, LLVMInlineAsmDialectATT);
inline_asm = llvm_get_inline_asm(func_type, make_string_c(asm_string), make_string_c(constraints));
}
break;
default:
src/llvm_backend_utility.cpp
+13
View File
@@ -1379,3 +1379,16 @@ lbValue lb_soa_struct_cap(lbProcedure *p, lbValue value) {
}
return lb_emit_struct_ev(p, value, cast(i32)n);
}
LLVMValueRef llvm_get_inline_asm(LLVMTypeRef func_type, String const &str, String const &clobbers, bool has_side_effects=true, bool is_align_stack=false, LLVMInlineAsmDialect dialect=LLVMInlineAsmDialectATT) {
return LLVMGetInlineAsm(func_type,
cast(char *)str.text, cast(size_t)str.len,
cast(char *)clobbers.text, cast(size_t)clobbers.len,
/*HasSideEffects*/true, /*IsAlignStack*/false,
dialect
#if LLVM_VERSION_MAJOR >= 13
, /*CanThrow*/false
#endif
);
}