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Implement int and float subtraction

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This commit is contained in:
Richard Feldman 2020-03-11 21:10:41 -04:00
parent 9fcfa90bff
commit df78068e81
5 changed files with 39 additions and 2 deletions
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9
compiler/gen/src/crane/build.rs
View file

@ -559,13 +559,20 @@ fn call_by_name<'a, B: Backend>(
builder.ins().fadd(a, b)
}
Symbol::NUM_SUB => {
Symbol::INT_SUB | Symbol::NUM_SUB => {
debug_assert!(args.len() == 2);
let a = build_arg(&args[0], env, scope, module, builder, procs);
let b = build_arg(&args[1], env, scope, module, builder, procs);
builder.ins().isub(a, b)
}
Symbol::FLOAT_SUB => {
debug_assert!(args.len() == 2);
let a = build_arg(&args[0], env, scope, module, builder, procs);
let b = build_arg(&args[1], env, scope, module, builder, procs);
builder.ins().fsub(a, b)
}
Symbol::NUM_MUL => {
debug_assert!(args.len() == 2);
let a = build_arg(&args[0], env, scope, module, builder, procs);

13
compiler/gen/src/llvm/build.rs
View file

@ -558,7 +558,7 @@ fn call_with_args<'a, 'ctx, 'env>(
BasicValueEnum::FloatValue(float_val)
}
Symbol::NUM_SUB => {
Symbol::INT_SUB | Symbol::NUM_SUB => {
debug_assert!(args.len() == 2);
let int_val = env.builder.build_int_sub(
@ -569,6 +569,17 @@ fn call_with_args<'a, 'ctx, 'env>(
BasicValueEnum::IntValue(int_val)
}
Symbol::FLOAT_SUB => {
debug_assert!(args.len() == 2);
let float_val = env.builder.build_float_sub(
args[0].into_float_value(),
args[1].into_float_value(),
"sub_f64",
);
BasicValueEnum::FloatValue(float_val)
}
Symbol::NUM_MUL => {
debug_assert!(args.len() == 2);