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powerpc garbage collect test

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ld's garbage collection test on powerpc64 catered for old compilers
(pre -mcmodel=medium support), setting options that caused the test to
fail.  Which meant the test wasn't really testing anything.  Get rid
of that old compiler support, and avoid -fPIE fails on ppc32.

	* testsuite/ld-gc/gc.exp: Don't set -mminimal-toc for powerpc64,
	and remove powerpc64 xfail.  Use -fno-PIE for ppc32.
This commit is contained in:
Alan Modra 2020-07-09 22:48:10 +09:30
parent 470cd0faa7
commit c560184eb2
2 changed files with 8 additions and 6 deletions
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5
ld/ChangeLog
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@ -1,3 +1,8 @@
2020-07-09 Alan Modra <amodra@gmail.com>
* testsuite/ld-gc/gc.exp: Don't set -mminimal-toc for powerpc64,
and remove powerpc64 xfail. Use -fno-PIE for ppc32.
2020-07-09 Alan Modra <amodra@gmail.com>
PR 18841

9
ld/testsuite/ld-gc/gc.exp
View File

@ -26,9 +26,9 @@ if ![check_gc_sections_available] {
set cflags "-ffunction-sections -fdata-sections $NOSANTIZE_CFLAGS"
set objfile "tmpdir/gc.o"
if [istarget powerpc64*-*-*] {
# otherwise with -mcmodel=medium gcc we get XPASSes.
set cflags "$cflags -mminimal-toc"
if { [istarget powerpc*-*-*] && ![istarget powerpc64*-*-*] } {
# Avoid using .got2 for powerpc -m32
set cflags "$cflags $NOPIE_CFLAGS"
}
if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
@ -71,9 +71,6 @@ proc test_gc { testname filename linker ldflags} {
fail $testname
return
}
#ppc64_elf_gc_mark_hook needs to be taught how to look through
#the .toc section to properly mark variable sections for gc.
setup_xfail "powerpc64*-*-*"
if {[info exists nm_output(unused_func)] \
|| [info exists nm_output(unused_var)]} {
send_log "unused section still here\n"