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guix/gnu/packages/patches/binutils-loongson-workaround.patch
Mark H Weaver 2c1ceeacdf gnu: binutils: apply fixes and workarounds for Loongson 2F CPUs.
* gnu/packages/patches/binutils-loongson-madd-fix.patch: New file.
* gnu/packages/patches/binutils-loongson-workaround.patch: New file.
* gnu/packages/base.scm (binutils): Add patches.
* gnu-system.am (dist_patch_DATA): Add patches.
2013-11-03 23:25:54 -05:00

34 lines
1.2 KiB
Diff

Enable the workaround for the Loongson 2F bug by default.
Patch by Mark H Weaver <mhw@netris.org>.
--- binutils/gas/config/tc-mips.c.orig 2012-09-04 10:21:03.000000000 -0400
+++ binutils/gas/config/tc-mips.c 2013-10-06 02:23:21.651983768 -0400
@@ -910,10 +910,10 @@
};
/* ...likewise -mfix-loongson2f-jump. */
-static bfd_boolean mips_fix_loongson2f_jump;
+static bfd_boolean mips_fix_loongson2f_jump = FALSE;
/* ...likewise -mfix-loongson2f-nop. */
-static bfd_boolean mips_fix_loongson2f_nop;
+static bfd_boolean mips_fix_loongson2f_nop = TRUE;
/* True if -mfix-loongson2f-nop or -mfix-loongson2f-jump passed. */
static bfd_boolean mips_fix_loongson2f;
--- binutils/gas/testsuite/gas/mips/mips.exp.orig 2012-09-04 10:17:13.000000000 -0400
+++ binutils/gas/testsuite/gas/mips/mips.exp 2013-10-06 02:23:21.663983768 -0400
@@ -91,6 +91,12 @@
# Catch because the variable won't be set the first time through.
catch {unset mips_arches}
+
+ # Disable the loongson2f nop fix by default, because most of the
+ # existing test cases for mips will fail otherwise.
+ global ASFLAGS
+ set old_ASFLAGS "$ASFLAGS"
+ set ASFLAGS "$ASFLAGS -mno-fix-loongson2f-nop"
}
# mips_arch_create ARCH GPRSIZE EXTENDS PROPS AS_FLAGS OBJDUMP_FLAGS \