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| author | Amit Pawar <Amit.Pawar@amd.com> | 2016-11-28 09:21:05 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-11-28 09:21:05 -0800 |
| commit | abfcb414b9900ef996b1665323a950610dbdca43 (patch) | |
| tree | d01d715e90f3c1e8e6337cc65dd3f0cdd23f63ae /gas/testsuite | |
| parent | 1a0884415891b197972f8acf59131c3c9376807f (diff) | |
| download | gdb-abfcb414b9900ef996b1665323a950610dbdca43.zip gdb-abfcb414b9900ef996b1665323a950610dbdca43.tar.gz gdb-abfcb414b9900ef996b1665323a950610dbdca43.tar.bz2 | |
X86: Ignore REX_B bit for 32-bit XOP instructions
While decoding 32-bit XOP instructions, 64 bit registers names are printed.
This patch fixes this by ignoring REX_B bit in 32-bit mode.
opcodes/
PR binutils/20637
* i386-dis.c (get_valid_dis386): Ignore REX_B for 32-bit XOP
instructions.
gas/
PR binutils/20637
* testsuite/gas/i386/xop32reg.d: New file.
* testsuite/gas/i386/xop32reg.s: New file.
* testsuite/gas/i386/i386.exp: Run new test.
Diffstat (limited to 'gas/testsuite')
| -rw-r--r-- | gas/testsuite/gas/i386/i386.exp | 1 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/xop32reg.d | 15 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/xop32reg.s | 13 |
3 files changed, 29 insertions, 0 deletions
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp index 1b28fa1..29282b8 100644 --- a/gas/testsuite/gas/i386/i386.exp +++ b/gas/testsuite/gas/i386/i386.exp @@ -261,6 +261,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]] run_dump_test "fma4" run_dump_test "lwp" run_dump_test "xop" + run_dump_test "xop32reg" run_dump_test "bmi" run_dump_test "bmi-intel" run_dump_test "tbm" diff --git a/gas/testsuite/gas/i386/xop32reg.d b/gas/testsuite/gas/i386/xop32reg.d new file mode 100644 index 0000000..395bbca --- /dev/null +++ b/gas/testsuite/gas/i386/xop32reg.d @@ -0,0 +1,15 @@ +#source: xop32reg.s +#objdump: -dw +#name: i386 ignore rex_b in case of 32 bit decoding + +.*: +file format .* + + +Disassembly of section \.text: + +0+ <_start>: +[ ]*[a-f0-9]+: 8f e9 78 e1 4d c2[ ]+vphsubbw -0x3e\(%ebp\),%xmm1 +[ ]*[a-f0-9]+: 8f c9 78 e1 4d c2[ ]+vphsubbw -0x3e\(%ebp\),%xmm1 +[ ]*[a-f0-9]+: 8f e8 40 cd 04 08 07[ ]+vpcomw \$0x7,\(%eax,%ecx,1\),%xmm7,%xmm0 +[ ]*[a-f0-9]+: 8f c8 40 cd 04 08 07[ ]+vpcomw \$0x7,\(%eax,%ecx,1\),%xmm7,%xmm0 +#pass diff --git a/gas/testsuite/gas/i386/xop32reg.s b/gas/testsuite/gas/i386/xop32reg.s new file mode 100644 index 0000000..a547bd5 --- /dev/null +++ b/gas/testsuite/gas/i386/xop32reg.s @@ -0,0 +1,13 @@ + + .text +_start: + .long 0xe178e98f + .word 0xc24d + .long 0xe178c98f + .word 0xc24d + .long 0xcd40e88f + .word 0x0804 + .byte 0x07 + .long 0xcd40c88f + .word 0x0804 + .byte 0x07 |