Blame SOURCES/0008-Currently-we-have-DivU64x32-on-ia32-but-it-tries-to-.patch
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From d039cd620b8a270d9b231691c9b31d6824f18c08 Mon Sep 17 00:00:00 2001
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From: Nigel Croxon <ncroxon@redhat.com>
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Date: Wed, 10 Jan 2018 10:28:36 -0500
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Subject: [PATCH 08/25] Currently we have DivU64x32 on ia32, but it tries to
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call __umoddi3 and __udivdi3 from libgcc, which we don't have. This fixes it
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to use our implementation in that case.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
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---
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lib/ia32/math.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/lib/ia32/math.c b/lib/ia32/math.c
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index 81f51bf45e4..fce7a8d4875 100644
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--- a/lib/ia32/math.c
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+++ b/lib/ia32/math.c
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@@ -140,7 +140,7 @@ DivU64x32 (
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// divide 64bit by 32bit and get a 64bit result
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// N.B. only works for 31bit divisors!!
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{
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-#if defined(__GNUC__) && !defined(__MINGW32__)
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+#if 0 && defined(__GNUC__) && !defined(__MINGW32__)
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if (Remainder)
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*Remainder = Dividend % Divisor;
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return Dividend / Divisor;
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@@ -157,7 +157,7 @@ DivU64x32 (
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Rem = 0;
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for (bit=0; bit < 64; bit++) {
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-#ifdef __MINGW32__
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+#if defined(__GNUC__) || defined(__MINGW32__)
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asm (
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"shll $1, %0\n\t"
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"rcll $1, 4%0\n\t"
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--
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2.15.0
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