CERBERUS/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty.git synced 2026-08-27 03:42:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

We dont actually need vzeroupper at start of function

Browse source 
GCC emits vzeroupper automatically when compiling with native
optimizations but we still need it otherwise
This commit is contained in:
Kovid Goyal 2024-02-12 13:11:10 +05:30
parent 16d36c46fe
commit a7c06b38e6
No known key found for this signature in database
GPG key ID: 06BC317B515ACE7C
2 changed files with 0 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tools/simdstring/generate.go
View file

@ -1153,10 +1153,6 @@ func (s *Function) OutputASM(w io.Writer) {
s.print_signature(w)
fmt.Fprintf(w, "\nTEXT ·%s(SB), NOSPLIT, $0-%d\n", s.Name, s.Size)
if s.Used256BitReg {
fmt.Fprintln(w, "\tVZEROUPPER // zero upper bits of AVX registers to avoid dependencies when switching between SSE and AVX code")
}
has_trailing_return := false
for _, i := range s.Instructions {
if len(i) == 0 {