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[binutils-gdb] microMIPS/GAS: Handle several percent-ops with macros

From: Maciej W.Rozycki <macro at sourceware dot org>
To: bfd-cvs at sourceware dot org
Date: 2 Jul 2018 22:59:17 -0000
Subject: [binutils-gdb] microMIPS/GAS: Handle several percent-ops with macros
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=14c80123c05ad7cbb52fbb5d35c08b46a0e72d7f

commit 14c80123c05ad7cbb52fbb5d35c08b46a0e72d7f
Author: Maciej W. Rozycki <macro@mips.com>
Date:   Mon Jul 2 23:57:22 2018 +0100

    microMIPS/GAS: Handle several percent-ops with macros
    
    In the microMIPS mode also accept %half, %got, %call, %got_hi, %got_lo,
    %call_hi, %call_lo, %neg, %got_page, %highest, %got_disp, %tlsgd,
    %tlsldm, %dtprel_hi, %dtprel_lo, %gottprel, %tprel_hi and %tprel_lo
    percent-ops with macros, so that they can be used with instructions that
    expand into sequences if relocation is required due to their limited
    offset span, such as LL, LWL, etc., fixing GAS assertions:
    
    .../gas/testsuite/gas/mips/elf-rel28.s: Assembler messages:
    .../gas/testsuite/gas/mips/elf-rel28.s:17: Internal error in macro_build at .../gas/config/tc-mips.c:8854.
    Please report this bug.
    
    observed if an attempt is made to assemble the `elf-rel28.s' test case
    modified to use one of the affected instructions to microMIPS code.
    
    	gas/
    	* config/tc-mips.c (macro_build) <'i', 'j'>: Also accept
    	BFD_RELOC_16, BFD_RELOC_MIPS_GOT16, BFD_RELOC_MIPS_CALL16,
    	BFD_RELOC_MIPS_GOT_HI16, BFD_RELOC_MIPS_GOT_LO16,
    	BFD_RELOC_MIPS_CALL_HI16, BFD_RELOC_MIPS_CALL_LO16,
    	BFD_RELOC_MIPS_SUB, BFD_RELOC_MIPS_GOT_PAGE,
    	BFD_RELOC_MIPS_HIGHEST, BFD_RELOC_MIPS_GOT_DISP,
    	BFD_RELOC_MIPS_TLS_GD, BFD_RELOC_MIPS_TLS_LDM,
    	BFD_RELOC_MIPS_TLS_DTPREL_HI16, BFD_RELOC_MIPS_TLS_DTPREL_LO16,
    	BFD_RELOC_MIPS_TLS_GOTTPREL, BFD_RELOC_MIPS_TLS_TPREL_HI16 and
    	BFD_RELOC_MIPS_TLS_TPREL_LO16 relocations if in the microMIPS
    	mode.
    	* testsuite/gas/mips/elf-rel28-lldscd-n32.d: New test.
    	* testsuite/gas/mips/elf-rel28-lldscd-micromips-n32.d: New test.
    	* testsuite/gas/mips/elf-rel28-lldscd-n64.d: New test.
    	* testsuite/gas/mips/elf-rel28-lldscd-micromips-n64.d: New test.
    	* testsuite/gas/mips/elf-rel28.s: Add instruction selection.
    	* testsuite/gas/mips/mips.exp: Run the new tests.

Diff:
---
 gas/ChangeLog                                      |  20 ++
 gas/config/tc-mips.c                               |  21 +-
 .../gas/mips/elf-rel28-lldscd-micromips-n32.d      | 138 +++++++++++++
 .../gas/mips/elf-rel28-lldscd-micromips-n64.d      | 222 +++++++++++++++++++++
 gas/testsuite/gas/mips/elf-rel28-lldscd-n32.d      |  96 +++++++++
 gas/testsuite/gas/mips/elf-rel28-lldscd-n64.d      | 180 +++++++++++++++++
 gas/testsuite/gas/mips/elf-rel28.s                 |  12 ++
 gas/testsuite/gas/mips/mips.exp                    |   4 +
 8 files changed, 692 insertions(+), 1 deletion(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index bf5368c..badbcf6 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,25 @@
 2018-07-02  Maciej W. Rozycki  <macro@mips.com>
 
+	* config/tc-mips.c (macro_build) <'i', 'j'>: Also accept
+	BFD_RELOC_16, BFD_RELOC_MIPS_GOT16, BFD_RELOC_MIPS_CALL16,
+	BFD_RELOC_MIPS_GOT_HI16, BFD_RELOC_MIPS_GOT_LO16,
+	BFD_RELOC_MIPS_CALL_HI16, BFD_RELOC_MIPS_CALL_LO16,
+	BFD_RELOC_MIPS_SUB, BFD_RELOC_MIPS_GOT_PAGE,
+	BFD_RELOC_MIPS_HIGHEST, BFD_RELOC_MIPS_GOT_DISP,
+	BFD_RELOC_MIPS_TLS_GD, BFD_RELOC_MIPS_TLS_LDM,
+	BFD_RELOC_MIPS_TLS_DTPREL_HI16, BFD_RELOC_MIPS_TLS_DTPREL_LO16,
+	BFD_RELOC_MIPS_TLS_GOTTPREL, BFD_RELOC_MIPS_TLS_TPREL_HI16 and
+	BFD_RELOC_MIPS_TLS_TPREL_LO16 relocations if in the microMIPS
+	mode.
+	* testsuite/gas/mips/elf-rel28-lldscd-n32.d: New test.
+	* testsuite/gas/mips/elf-rel28-lldscd-micromips-n32.d: New test.
+	* testsuite/gas/mips/elf-rel28-lldscd-n64.d: New test.
+	* testsuite/gas/mips/elf-rel28-lldscd-micromips-n64.d: New test.
+	* testsuite/gas/mips/elf-rel28.s: Add instruction selection.
+	* testsuite/gas/mips/mips.exp: Run the new tests.
+
+2018-07-02  Maciej W. Rozycki  <macro@mips.com>
+
 	* testsuite/gas/mips/elf-rel28-micromips-n32.d: New test.
 	* testsuite/gas/mips/elf-rel28-micromips-n64.d: New test.
 	* testsuite/gas/mips/mips.exp: Run the new tests.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 8dfc1f5..59df787 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -8851,7 +8851,26 @@ macro_build (expressionS *ep, const char *name, const char *fmt, ...)
 		      || *r == BFD_RELOC_MIPS_HIGHER
 		      || *r == BFD_RELOC_HI16_S
 		      || *r == BFD_RELOC_LO16
-		      || *r == BFD_RELOC_MIPS_GOT_OFST);
+		      || *r == BFD_RELOC_MIPS_GOT_OFST
+		      || (mips_opts.micromips
+			  && (*r == BFD_RELOC_16
+			      || *r == BFD_RELOC_MIPS_GOT16
+			      || *r == BFD_RELOC_MIPS_CALL16
+			      || *r == BFD_RELOC_MIPS_GOT_HI16
+			      || *r == BFD_RELOC_MIPS_GOT_LO16
+			      || *r == BFD_RELOC_MIPS_CALL_HI16
+			      || *r == BFD_RELOC_MIPS_CALL_LO16
+			      || *r == BFD_RELOC_MIPS_SUB
+			      || *r == BFD_RELOC_MIPS_GOT_PAGE
+			      || *r == BFD_RELOC_MIPS_HIGHEST
+			      || *r == BFD_RELOC_MIPS_GOT_DISP
+			      || *r == BFD_RELOC_MIPS_TLS_GD
+			      || *r == BFD_RELOC_MIPS_TLS_LDM
+			      || *r == BFD_RELOC_MIPS_TLS_DTPREL_HI16
+			      || *r == BFD_RELOC_MIPS_TLS_DTPREL_LO16
+			      || *r == BFD_RELOC_MIPS_TLS_GOTTPREL
+			      || *r == BFD_RELOC_MIPS_TLS_TPREL_HI16
+			      || *r == BFD_RELOC_MIPS_TLS_TPREL_LO16)));
 	  break;
 
 	case 'o':
diff --git a/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n32.d b/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n32.d
new file mode 100644
index 0000000..e593e8b
--- /dev/null
+++ b/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n32.d
@@ -0,0 +1,138 @@
+#source: elf-rel28.s
+#as: -march=from-abi -mmicromips -n32 --defsym tlldscd=1
+#objdump: -dr
+#name: MIPS ELF reloc 28 (LLD/SCD, microMIPS, n32)
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+
+.* <foo>:
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL_HI16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL_LO16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_DISP	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_PAGE	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_OFST	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_HI16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_LO16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GPREL16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MIPS_16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_HIGHEST	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_HIGHER	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_SUB	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GD	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_LDM	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_HI16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_LO16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_HI16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_LO16	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GOTTPREL	bar
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL_HI16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL_LO16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_CALL16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_DISP	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_PAGE	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_OFST	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_HI16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT_LO16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GOT16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_GPREL16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MIPS_16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_HIGHEST	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_HIGHER	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_SUB	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GD	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_LDM	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_HI16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_LO16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_HI16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_LO16	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	3024 0000 	addiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GOTTPREL	bar
+.*:	6081 f000 	scd	a0,0\(at\)
+	\.\.\.
diff --git a/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n64.d b/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n64.d
new file mode 100644
index 0000000..fb41634
--- /dev/null
+++ b/gas/testsuite/gas/mips/elf-rel28-lldscd-micromips-n64.d
@@ -0,0 +1,222 @@
+#source: elf-rel28.s
+#as: -march=from-abi -mmicromips -64 --defsym tlldscd=1
+#objdump: -dr
+#name: MIPS ELF reloc 28 (LLD/SCD, microMIPS, n64)
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+
+.* <foo>:
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_DISP	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_PAGE	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_OFST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GPREL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MIPS_16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_HIGHEST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_HIGHER	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_SUB	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GD	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_LDM	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GOTTPREL	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 7000 	lld	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_CALL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_DISP	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_PAGE	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_OFST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GOT16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_GPREL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MIPS_16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_HIGHEST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_HIGHER	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_SUB	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GD	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_LDM	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_DTPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_TPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+.*:	5c24 0000 	daddiu	at,a0,0
+			.*: R_MICROMIPS_TLS_GOTTPREL	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	6081 f000 	scd	a0,0\(at\)
+	\.\.\.
diff --git a/gas/testsuite/gas/mips/elf-rel28-lldscd-n32.d b/gas/testsuite/gas/mips/elf-rel28-lldscd-n32.d
new file mode 100644
index 0000000..beaf2dd
--- /dev/null
+++ b/gas/testsuite/gas/mips/elf-rel28-lldscd-n32.d
@@ -0,0 +1,96 @@
+#source: elf-rel28.s
+#as: -march=from-abi -n32 --defsym tlldscd=1
+#objdump: -dr
+#name: MIPS ELF reloc 28 (LLD/SCD, n32)
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+
+.* <foo>:
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL_HI16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL_LO16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_DISP	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_PAGE	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_OFST	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_HI16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_LO16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GPREL16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_HIGHEST	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_HIGHER	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_SUB	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_GD	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_LDM	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_HI16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_LO16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_HI16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_LO16	bar
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_GOTTPREL	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL_HI16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL_LO16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_DISP	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_PAGE	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_OFST	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_HI16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_LO16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GPREL16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_HIGHEST	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_HIGHER	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_SUB	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_GD	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_LDM	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_HI16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_LO16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_HI16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_LO16	bar
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_GOTTPREL	bar
+	\.\.\.
diff --git a/gas/testsuite/gas/mips/elf-rel28-lldscd-n64.d b/gas/testsuite/gas/mips/elf-rel28-lldscd-n64.d
new file mode 100644
index 0000000..a204e47
--- /dev/null
+++ b/gas/testsuite/gas/mips/elf-rel28-lldscd-n64.d
@@ -0,0 +1,180 @@
+#source: elf-rel28.s
+#as: -march=from-abi -64 --defsym tlldscd=1
+#objdump: -dr
+#name: MIPS ELF reloc 28 (LLD/SCD, n64)
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+
+.* <foo>:
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_CALL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_DISP	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_PAGE	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_OFST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GOT16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_GPREL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_HIGHEST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_HIGHER	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_SUB	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_GD	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_LDM	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	d0840000 	lld	a0,0\(a0\)
+			.*: R_MIPS_TLS_GOTTPREL	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_CALL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_DISP	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_PAGE	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_OFST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GOT16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_GPREL16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_HIGHEST	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_HIGHER	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_SUB	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_GD	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_LDM	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_DTPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_HI16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_TPREL_LO16	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+.*:	f0840000 	scd	a0,0\(a0\)
+			.*: R_MIPS_TLS_GOTTPREL	bar
+			.*: R_MIPS_NONE	\*ABS\*
+			.*: R_MIPS_NONE	\*ABS\*
+	\.\.\.
diff --git a/gas/testsuite/gas/mips/elf-rel28.s b/gas/testsuite/gas/mips/elf-rel28.s
index c6dcb71..fa2f847 100644
--- a/gas/testsuite/gas/mips/elf-rel28.s
+++ b/gas/testsuite/gas/mips/elf-rel28.s
@@ -1,3 +1,15 @@
+# By default test ld/sd.
+
+# If defined, test lld/scd instead.
+	.ifdef	tlldscd
+	.macro	ld ops:vararg
+	lld	\ops
+	.endm
+	.macro	sd ops:vararg
+	scd	\ops
+	.endm
+	.endif
+
 	.ent	foo
 foo:
 	# Many of these do not make conceptual sense, but they should
diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 49b4386..78969ff 100644
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -1224,6 +1224,10 @@ if { [istarget mips*-*-vxworks*] } {
 	run_dump_test "elf-rel28-micromips-n32"
 	run_dump_test "elf-rel28-n64"
 	run_dump_test "elf-rel28-micromips-n64"
+	run_dump_test "elf-rel28-lldscd-n32"
+	run_dump_test "elf-rel28-lldscd-micromips-n32"
+	run_dump_test "elf-rel28-lldscd-n64"
+	run_dump_test "elf-rel28-lldscd-micromips-n64"
 	run_dump_test_arches "elf-rel29" [mips_arch_list_matching mips3]
     }
     run_list_test_arches "elf-rel30" "-32" [mips_arch_list_all]
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