x64: Add native lowering for scalar fma (#4539)

Use `vfmadd213{ss,sd}` for these lowerings.
2022-08-11 23:48:16 +01:00
parent 755cd4311e
commit 3ea1813173
10 changed files with 124 additions and 6 deletions
--- a/cranelift/filetests/filetests/runtests/fma.clif
+++ b/cranelift/filetests/filetests/runtests/fma.clif
@@ -2,6 +2,7 @@ test interpret
 test run
 target aarch64
 target s390x
+target x86_64 has_avx has_fma
 target x86_64 has_avx=false has_fma=false

 function %fma_f32(f32, f32, f32) -> f32 {