gnu-efi/0008-Currently-we-have-DivU64x32-on-ia32-but-it-tries-to-.patch
Peter Jones 98d7c11e72 Update to 3.0.8 (from git).
Signed-off-by: Peter Jones <pjones@redhat.com>
2018-03-20 16:21:26 -04:00

39 lines
1.2 KiB
Diff

From d039cd620b8a270d9b231691c9b31d6824f18c08 Mon Sep 17 00:00:00 2001
From: Nigel Croxon <ncroxon@redhat.com>
Date: Wed, 10 Jan 2018 10:28:36 -0500
Subject: [PATCH 08/25] Currently we have DivU64x32 on ia32, but it tries to
call __umoddi3 and __udivdi3 from libgcc, which we don't have. This fixes it
to use our implementation in that case.
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
---
lib/ia32/math.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/ia32/math.c b/lib/ia32/math.c
index 81f51bf45e4..fce7a8d4875 100644
--- a/lib/ia32/math.c
+++ b/lib/ia32/math.c
@@ -140,7 +140,7 @@ DivU64x32 (
// divide 64bit by 32bit and get a 64bit result
// N.B. only works for 31bit divisors!!
{
-#if defined(__GNUC__) && !defined(__MINGW32__)
+#if 0 && defined(__GNUC__) && !defined(__MINGW32__)
if (Remainder)
*Remainder = Dividend % Divisor;
return Dividend / Divisor;
@@ -157,7 +157,7 @@ DivU64x32 (
Rem = 0;
for (bit=0; bit < 64; bit++) {
-#ifdef __MINGW32__
+#if defined(__GNUC__) || defined(__MINGW32__)
asm (
"shll $1, %0\n\t"
"rcll $1, 4%0\n\t"
--
2.15.0