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Add sse41 lowering for rounding x64

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This commit is contained in:
Johnnie Birch
2021-01-25 00:02:57 -08:00
parent d1c1cb6a25
commit cbd7a6a80e
3 changed files with 36 additions and 29 deletions
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10
cranelift/codegen/src/isa/x64/inst/mod.rs
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@@ -1823,7 +1823,7 @@ impl fmt::Debug for Inst {
fn x64_get_regs(inst: &Inst, collector: &mut RegUsageCollector) {
// This is a bit subtle. If some register is in the modified set, then it may not be in either
// the use or def sets. However, enforcing that directly is somewhat difficult. Instead,
// regalloc.rs will "fix" this for us by removing the the modified set from the use and def
// regalloc.rs will "fix" this for us by removing the modified set from the use and def
// sets.
match inst {
Inst::AluRmiR { src, dst, .. } => {
@@ -1895,6 +1895,10 @@ fn x64_get_regs(inst: &Inst, collector: &mut RegUsageCollector) {
|| *op == SseOpcode::Pextrw
|| *op == SseOpcode::Pextrd
|| *op == SseOpcode::Pshufd
|| *op == SseOpcode::Roundss
|| *op == SseOpcode::Roundsd
|| *op == SseOpcode::Roundps
|| *op == SseOpcode::Roundpd
{
src.get_regs_as_uses(collector);
collector.add_def(*dst);
@@ -2236,6 +2240,10 @@ fn x64_map_regs<RUM: RegUsageMapper>(inst: &mut Inst, mapper: &RUM) {
|| *op == SseOpcode::Pextrw
|| *op == SseOpcode::Pextrd
|| *op == SseOpcode::Pshufd
|| *op == SseOpcode::Roundss
|| *op == SseOpcode::Roundsd
|| *op == SseOpcode::Roundps
|| *op == SseOpcode::Roundpd
{
src.map_uses(mapper);
map_def(mapper, dst);