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https://github.com/darlinghq/darling-gdb.git
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2010-10-04 David Daney <ddaney@caviumnetworks.com>
* config/tc-mips.c (mips_fix_cn63xxp1): New variable. (mips_ip): Add errata work around when mips_fix_cn63xxp1 set. (OPTION_FIX_CN63XXP1, OPTION_NO_FIX_CN63XXP1): New enum options enumerations. (md_longopts): Add options for -mfix-cn63xxp1 and -mno-fix-cn63xxp1. (md_parse_option): Handle OPTION_FIX_CN63XXP1 and OPTION_NO_FIX_CN63XXP1. (md_show_usage): Add documentation for -mfix-cn63xxp1. * doc/c-mips.texi (-mfix-cn63xxp1, -mno-fix-cn63xxp1): Document the new options. 2010-10-04 David Daney <ddaney@caviumnetworks.com> * gas/mips/mips.exp (octeon-pref): Run the new test. * gas/mips/octeon-pref.s: New test. * gas/mips/octeon-pref.d: New expected results for the new test.
This commit is contained in:
David Daney
parent
d4730f921a
commit
d954098fc1
@ -1,3 +1,16 @@
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2010-10-04 David Daney <ddaney@caviumnetworks.com>
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* config/tc-mips.c (mips_fix_cn63xxp1): New variable.
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(mips_ip): Add errata work around when mips_fix_cn63xxp1 set.
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(OPTION_FIX_CN63XXP1, OPTION_NO_FIX_CN63XXP1): New enum options
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enumerations.
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(md_longopts): Add options for -mfix-cn63xxp1 and -mno-fix-cn63xxp1.
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(md_parse_option): Handle OPTION_FIX_CN63XXP1 and
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OPTION_NO_FIX_CN63XXP1.
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(md_show_usage): Add documentation for -mfix-cn63xxp1.
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* doc/c-mips.texi (-mfix-cn63xxp1, -mno-fix-cn63xxp1): Document
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the new options.
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2010-09-29 Bernd Schmidt <bernds@codesourcery.com>
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* gas/tic6x/insns-bad-1.s: Remove test for readonly tscl.
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@ -786,6 +786,9 @@ static int mips_fix_vr4130;
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/* ...likewise -mfix-24k. */
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static int mips_fix_24k;
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/* ...likewise -mfix-cn63xxp1 */
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static bfd_boolean mips_fix_cn63xxp1;
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/* We don't relax branches by default, since this causes us to expand
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`la .l2 - .l1' if there's a branch between .l1 and .l2, because we
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fail to compute the offset before expanding the macro to the most
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@ -9401,7 +9404,26 @@ do_msbd:
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ip->insn_mo->name,
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(unsigned long) imm_expr.X_add_number);
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if (*args == 'k')
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INSERT_OPERAND (CACHE, *ip, imm_expr.X_add_number);
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{
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if (mips_fix_cn63xxp1 && strcmp ("pref", insn->name) == 0)
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switch (imm_expr.X_add_number)
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{
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case 5:
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case 25:
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case 26:
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case 27:
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case 28:
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case 29:
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case 30:
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case 31: /* These are ok. */
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break;
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default: /* The rest must be changed to 28. */
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imm_expr.X_add_number = 28;
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break;
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}
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INSERT_OPERAND (CACHE, *ip, imm_expr.X_add_number);
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}
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else if (*args == 'h')
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INSERT_OPERAND (PREFX, *ip, imm_expr.X_add_number);
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else
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@ -11285,6 +11307,8 @@ enum options
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OPTION_NO_FIX_VR4120,
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OPTION_FIX_VR4130,
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OPTION_NO_FIX_VR4130,
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OPTION_FIX_CN63XXP1,
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OPTION_NO_FIX_CN63XXP1,
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OPTION_TRAP,
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OPTION_BREAK,
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OPTION_EB,
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@ -11379,6 +11403,8 @@ struct option md_longopts[] =
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{"mno-fix-vr4130", no_argument, NULL, OPTION_NO_FIX_VR4130},
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{"mfix-24k", no_argument, NULL, OPTION_FIX_24K},
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{"mno-fix-24k", no_argument, NULL, OPTION_NO_FIX_24K},
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{"mfix-cn63xxp1", no_argument, NULL, OPTION_FIX_CN63XXP1},
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{"mno-fix-cn63xxp1", no_argument, NULL, OPTION_NO_FIX_CN63XXP1},
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/* Miscellaneous options. */
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{"trap", no_argument, NULL, OPTION_TRAP},
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@ -11672,6 +11698,14 @@ md_parse_option (int c, char *arg)
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mips_fix_vr4130 = 0;
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break;
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case OPTION_FIX_CN63XXP1:
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mips_fix_cn63xxp1 = TRUE;
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break;
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case OPTION_NO_FIX_CN63XXP1:
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mips_fix_cn63xxp1 = FALSE;
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break;
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case OPTION_RELAX_BRANCH:
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mips_relax_branch = 1;
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break;
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@ -15623,6 +15657,7 @@ MIPS options:\n\
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-mfix-vr4120 work around certain VR4120 errata\n\
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-mfix-vr4130 work around VR4130 mflo/mfhi errata\n\
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-mfix-24k insert a nop after ERET and DERET instructions\n\
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-mfix-cn63xxp1 work around CN63XXP1 PREF errata\n\
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-mgp32 use 32-bit GPRs, regardless of the chosen ISA\n\
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-mfp32 use 32-bit FPRs, regardless of the chosen ISA\n\
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-msym32 assume all symbols have 32-bit values\n\
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@ -200,6 +200,11 @@ Insert nops to work around the VR4130 @samp{mflo}/@samp{mfhi} errata.
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@itemx -no-mfix-24k
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Insert nops to work around the 24K @samp{eret}/@samp{deret} errata.
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@item -mfix-cn63xxp1
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@itemx -mno-fix-cn63xxp1
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Replace @code{pref} hints 0 - 4 and 6 - 24 with hint 28 to work around
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certain CN63XXP1 errata.
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@item -m4010
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@itemx -no-m4010
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Generate code for the LSI @sc{r4010} chip. This tells the assembler to
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@ -1,3 +1,9 @@
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2010-10-04 David Daney <ddaney@caviumnetworks.com>
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* gas/mips/mips.exp (octeon-pref): Run the new test.
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* gas/mips/octeon-pref.s: New test.
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* gas/mips/octeon-pref.d: New expected results for the new test.
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2010-09-29 Alan Modra <amodra@gmail.com>
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* gas/all/fwdexp.d, * gas/all/fwdexp.s: New test.
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@ -831,6 +831,7 @@ if { [istarget mips*-*-vxworks*] } {
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run_dump_test_arches "octeon" [mips_arch_list_matching octeon]
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run_list_test_arches "octeon-ill" "" \
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[mips_arch_list_matching octeon]
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run_dump_test_arches "octeon-pref" [mips_arch_list_matching octeon]
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run_dump_test "smartmips"
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run_dump_test "mips32-dsp"
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42
gas/testsuite/gas/mips/octeon-pref.d
Normal file
42
gas/testsuite/gas/mips/octeon-pref.d
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@ -0,0 +1,42 @@
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#as: -march=octeon -64 -mfix-cn63xxp1
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#objdump: -M reg-names=numeric -dr
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#name: MIPS octeon-pref mfix-cn63xxp1
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.*: file format .*
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Disassembly of section .text:
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[0-9a-f]+ <foo>:
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc050000 pref 0x5,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc190000 pref 0x19,0\(\$0\)
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.*: cc1a0000 pref 0x1a,0\(\$0\)
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.*: cc1b0000 pref 0x1b,0\(\$0\)
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.*: cc1c0000 pref 0x1c,0\(\$0\)
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.*: cc1d0000 pref 0x1d,0\(\$0\)
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.*: cc1e0000 pref 0x1e,0\(\$0\)
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.*: cc1f0000 pref 0x1f,0\(\$0\)
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#pass
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36
gas/testsuite/gas/mips/octeon-pref.s
Normal file
36
gas/testsuite/gas/mips/octeon-pref.s
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@ -0,0 +1,36 @@
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.text
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.set noreorder
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foo:
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pref 0,0($0)
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pref 1,0($0)
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pref 2,0($0)
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pref 3,0($0)
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pref 4,0($0)
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pref 5,0($0)
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pref 6,0($0)
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pref 7,0($0)
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pref 8,0($0)
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pref 9,0($0)
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pref 10,0($0)
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pref 11,0($0)
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pref 12,0($0)
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pref 13,0($0)
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pref 14,0($0)
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pref 15,0($0)
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pref 16,0($0)
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pref 17,0($0)
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pref 18,0($0)
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pref 19,0($0)
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pref 20,0($0)
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pref 21,0($0)
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pref 22,0($0)
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pref 23,0($0)
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pref 24,0($0)
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pref 25,0($0)
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pref 26,0($0)
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pref 27,0($0)
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pref 28,0($0)
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pref 29,0($0)
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pref 30,0($0)
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pref 31,0($0)
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