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Fix boundary conditions on SIMD trunc_sat instructions.

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This commit is contained in:
Nick Lewycky
2020-07-31 14:26:59 -07:00
parent fe080432d9
commit b1e3468be6
1 changed files with 6 additions and 6 deletions
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12
lib/compiler-llvm/src/translator/code.rs
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@ -322,7 +322,7 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
&self,
fvec_ty: T,
ivec_ty: T::MathConvType,
lower_bound: u64, // Exclusive (lowest representable value)
lower_bound: u64, // Exclusive (least representable value)
upper_bound: u64, // Exclusive (greatest representable value)
int_min_value: u64,
int_max_value: u64,
@ -442,7 +442,7 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
fn trunc_sat_scalar(
&self,
int_ty: IntType<'ctx>,
lower_bound: u64, // Exclusive (lowest representable value)
lower_bound: u64, // Exclusive (least representable value)
upper_bound: u64, // Exclusive (greatest representable value)
int_min_value: u64,
int_max_value: u64,
@ -5384,8 +5384,8 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
let res = self.trunc_sat(
self.intrinsics.f32x4_ty,
self.intrinsics.i32x4_ty,
-2147480000i32 as u32 as u64,
2147480000,
LEF32_GEQ_I32_MIN,
GEF32_LEQ_I32_MAX,
std::i32::MIN as u64,
std::i32::MAX as u64,
v,
@ -5399,8 +5399,8 @@ impl<'ctx, 'a> LLVMFunctionCodeGenerator<'ctx, 'a> {
let res = self.trunc_sat(
self.intrinsics.f32x4_ty,
self.intrinsics.i32x4_ty,
0,
4294960000,
LEF32_GEQ_U32_MIN,
GEF32_LEQ_U32_MAX,
std::u32::MIN as u64,
std::u32::MAX as u64,
v,