x86/lpc: Fix parameter sign extension, unbreaking checkasm-lpc on x86_64 windows

Signed-off-by: Martin Storsjö <martin@martin.st>
2 years ago · c9aa6164d4
parent f2d75d7fb0
commit c9aa6164d4
1 changed files with 1 additions and 0 deletions
--- a/libavcodec/x86/lpc.asm
+++ b/libavcodec/x86/lpc.asm
@ -36,6 +36,7 @@ SECTION .text

 %macro APPLY_WELCH_FN 0
 cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2
+    movsxdifnidn lenq, lend
    cmp lenq, 0
    je .end
    cmp lenq, 2