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(x86 asm): Zero the high parts of the ?MM registers if available.
[catacomb]
/
symm
/
salsa20-x86ish-sse2.S
diff --git
a/symm/salsa20-x86ish-sse2.S
b/symm/salsa20-x86ish-sse2.S
index
9cbaeff
..
76ac0ed
100644
(file)
--- a/
symm/salsa20-x86ish-sse2.S
+++ b/
symm/salsa20-x86ish-sse2.S
@@
-33,9
+33,17
@@
///--------------------------------------------------------------------------
/// Main code.
///--------------------------------------------------------------------------
/// Main code.
- .arch pentium4
.text
.text
+FUNC(salsa20_core_x86ish_avx)
+ .arch .avx
+ vzeroupper
+ endprologue
+ // drop through...
+ENDFUNC
+
+ .arch pentium4
+
FUNC(salsa20_core_x86ish_sse2)
// Initial setup.
FUNC(salsa20_core_x86ish_sse2)
// Initial setup.