31 lines
1.4 KiB
Diff
31 lines
1.4 KiB
Diff
# --- T2-COPYRIGHT-NOTE-BEGIN ---
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# T2 SDE: package/*/gcc/hotfix-g5-power4.patch
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# Copyright (C) 2020 - 2022 The T2 SDE Project
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#
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# This Copyright note is generated by scripts/Create-CopyPatch,
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# more information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License version 2 as used by the T2 SDE.
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# --- T2-COPYRIGHT-NOTE-END ---
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Glibc uses .machine to determine assembly optimizations to use, and G5 as well
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as cell, and even power4 -maltivec resulted in power7. Mask _ALTIVEC away
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as the .machine selection already did for GFX and GPOPT.
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Signed-of-by: René Rebe <rene@exactcode.de>
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--- gcc-11.1.0-RC-20210423/gcc/config/rs6000/rs6000.cc.vanilla 2021-04-25 22:57:16.964223106 +0200
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+++ gcc-11.1.0-RC-20210423/gcc/config/rs6000/rs6000.cc 2021-04-25 22:57:27.193223841 +0200
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@@ -5765,7 +5765,7 @@
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HOST_WIDE_INT flags = rs6000_isa_flags;
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/* Disable the flags that should never influence the .machine selection. */
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- flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
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+ flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ALTIVEC | OPTION_MASK_ISEL);
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if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
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return "power10";
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