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S/390: Fix symbolic displacement in lay

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Increase the fixup length to 4 for the 20 bit displacement.

gas/ChangeLog:

2018-09-25  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/tc-s390.c (md_apply_fix): Set fx_size to 4 for 20 bit
	displacements.
	* testsuite/gas/s390/s390.exp: Run new test.
	* testsuite/gas/s390/zarch-z990-symbol-lay.s: New test.
This commit is contained in:
Andreas Krebbel 2018-09-25 17:13:28 +02:00
parent 49b036f1e0
commit 3d6e0c015a
4 changed files with 8 additions and 1 deletions
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2
gas/config/tc-s390.c
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@ -2294,7 +2294,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
}
else if (operand->bits == 20 && operand->shift == 20)
{
fixP->fx_size = 2;
fixP->fx_size = 4;
fixP->fx_where += 2;
fixP->fx_r_type = BFD_RELOC_390_20;
}

1
gas/testsuite/gas/s390/s390.exp
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@ -21,6 +21,7 @@ if [expr [istarget "s390-*-*"] || [istarget "s390x-*-*"]] then {
run_dump_test "zarch-z900" "{as -m64}"
run_dump_test "zarch-z990" "{as -m64} {as -march=z990}"
run_list_test "zarch-z990-symbol-lay" "-m64 -march=z990"
run_dump_test "zarch-z9-109" "{as -m64} {as -march=z9-109}"
run_list_test "zarch-z9-109-err" "-march=z9-109"
run_dump_test "zarch-z9-ec" "{as -m64} {as -march=z9-ec}"

0
gas/testsuite/gas/s390/zarch-z990-symbol-lay.l Normal file
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6
gas/testsuite/gas/s390/zarch-z990-symbol-lay.s Normal file
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@ -0,0 +1,6 @@
.text
foo:
lay %r1,bar
.org 0x10000
bar:
.long 42