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-rw-r--r--gas/ChangeLog12
-rw-r--r--gas/config/tc-pru.c18
-rw-r--r--gas/testsuite/gas/pru/illegal2.l2
-rw-r--r--gas/testsuite/gas/pru/illegal2.s5
-rw-r--r--gas/testsuite/gas/pru/ldi.d8
-rw-r--r--gas/testsuite/gas/pru/pru.exp1
6 files changed, 37 insertions, 9 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 88ab077..b44c9e3 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,15 @@
+2018-05-09 Dimitar Dimitrov <dimitar@dinux.eu>
+
+ * config/tc-pru.c (md_apply_fix): Make LDI32 relocation conformant
+ to TI ABI.
+ (pru_assemble_arg_i): Likewise.
+ (output_insn_ldi32): Likewise.
+ * testsuite/gas/pru/ldi.d: Update test for the now fixed LDI32.
+ * gas/config/tc-pru.c (pru_assemble_arg_b): Check imm8 operand range.
+ * gas/testsuite/gas/pru/illegal2.l: New test.
+ * gas/testsuite/gas/pru/illegal2.s: New test.
+ * gas/testsuite/gas/pru/pru.exp: Register new illegal2 test.
+
2018-05-08 Jim Wilson <jimw@sifive.com>
* testsuite/gas/riscv/c-zero-imm.d: Add more tests.
diff --git a/gas/config/tc-pru.c b/gas/config/tc-pru.c
index d0f630e..5121b1f 100644
--- a/gas/config/tc-pru.c
+++ b/gas/config/tc-pru.c
@@ -814,8 +814,11 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
/* As the only 64-bit "insn", LDI32 needs special handling. */
uint32_t insn1 = insn & 0xffffffff;
uint32_t insn2 = insn >> 32;
- SET_INSN_FIELD (IMM16, insn1, fixup & 0xffff);
- SET_INSN_FIELD (IMM16, insn2, fixup >> 16);
+ SET_INSN_FIELD (IMM16, insn1, fixup >> 16);
+ SET_INSN_FIELD (IMM16, insn2, fixup & 0xffff);
+
+ SET_INSN_FIELD (RDSEL, insn1, RSEL_31_16);
+ SET_INSN_FIELD (RDSEL, insn2, RSEL_15_0);
md_number_to_chars (buf, insn1, 4);
md_number_to_chars (buf + 4, insn2, 4);
@@ -1086,6 +1089,8 @@ pru_assemble_arg_b (pru_insn_infoS *insn_info, const char *argstr)
if (src2 == NULL)
{
unsigned long imm8 = pru_assemble_noreloc_expression (argstr);
+ if (imm8 >= 0x100)
+ as_bad (_("value %lu is too large for a byte operand"), imm8);
SET_INSN_FIELD (IMM8, insn_info->insn_code, imm8);
SET_INSN_FIELD (IO, insn_info->insn_code, 1);
}
@@ -1141,7 +1146,8 @@ pru_assemble_arg_i (pru_insn_infoS *insn_info, const char *argstr)
/* QUIRK: LDI must clear IO bit high, even though it has immediate arg. */
SET_INSN_FIELD (IO, insn_info->insn_code, 0);
- SET_INSN_FIELD (IMM16, insn_info->insn_code, imm32 & 0xffff);
+ SET_INSN_FIELD (RDSEL, insn_info->insn_code, RSEL_31_16);
+ SET_INSN_FIELD (IMM16, insn_info->insn_code, imm32 >> 16);
insn_info->ldi32_imm32 = imm32;
}
@@ -1475,11 +1481,13 @@ output_insn_ldi32 (pru_insn_infoS *insn)
unsigned long insn2;
f = frag_more (8);
+ SET_INSN_FIELD (IMM16, insn->insn_code, insn->ldi32_imm32 >> 16);
+ SET_INSN_FIELD (RDSEL, insn->insn_code, RSEL_31_16);
md_number_to_chars (f, insn->insn_code, 4);
insn2 = insn->insn_code;
- SET_INSN_FIELD (IMM16, insn2, insn->ldi32_imm32 >> 16);
- SET_INSN_FIELD (RDSEL, insn2, RSEL_31_16);
+ SET_INSN_FIELD (IMM16, insn2, insn->ldi32_imm32 & 0xffff);
+ SET_INSN_FIELD (RDSEL, insn2, RSEL_15_0);
md_number_to_chars (f + 4, insn2, 4);
/* Emit debug info. */
diff --git a/gas/testsuite/gas/pru/illegal2.l b/gas/testsuite/gas/pru/illegal2.l
new file mode 100644
index 0000000..793eca7
--- /dev/null
+++ b/gas/testsuite/gas/pru/illegal2.l
@@ -0,0 +1,2 @@
+.*illegal2.s: Assembler messages:
+.*illegal2.s:5: Error: value 256 is too large for a byte operand
diff --git a/gas/testsuite/gas/pru/illegal2.s b/gas/testsuite/gas/pru/illegal2.s
new file mode 100644
index 0000000..c37f1b2
--- /dev/null
+++ b/gas/testsuite/gas/pru/illegal2.s
@@ -0,0 +1,5 @@
+# Source file used to test illegal operands.
+
+foo:
+# Out-of-bounds immediate value
+ add r2, r2, 256
diff --git a/gas/testsuite/gas/pru/ldi.d b/gas/testsuite/gas/pru/ldi.d
index 8851504..4c2cf7a 100644
--- a/gas/testsuite/gas/pru/ldi.d
+++ b/gas/testsuite/gas/pru/ldi.d
@@ -6,12 +6,12 @@
.*: +file format elf32-pru
Disassembly of section .text:
-0+0000 <[^>]*> 240000f0 ldi r16, 0
+0+0000 <[^>]*> 240000d0 ldi r16.w2, 0
[\t ]*0: R_PRU_LDI32 \*ABS\*\+0x12345678
-0+0004 <[^>]*> 240000d0 ldi r16.w2, 0
+0+0004 <[^>]*> 24000090 ldi r16.w0, 0
0+0008 <[^>]*> 241234f0 ldi r16, 4660
0+000c <[^>]*> 240000f0 ldi r16, 0
[\t ]*c: R_PRU_U16_PMEMIMM .text
-0+0010 <[^>]*> 240000f0 ldi r16, 0
+0+0010 <[^>]*> 240000d0 ldi r16.w2, 0
[\t ]*10: R_PRU_LDI32 var1
-0+0014 <[^>]*> 240000d0 ldi r16.w2, 0
+0+0014 <[^>]*> 24000090 ldi r16.w0, 0
diff --git a/gas/testsuite/gas/pru/pru.exp b/gas/testsuite/gas/pru/pru.exp
index 49bdf03..cacaa2b 100644
--- a/gas/testsuite/gas/pru/pru.exp
+++ b/gas/testsuite/gas/pru/pru.exp
@@ -22,5 +22,6 @@ if { [istarget pru-*-*] } {
run_dump_tests [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
run_list_test "illegal" ""
+ run_list_test "illegal2" ""
run_list_test "warn_reglabel" ""
}