diff options
Diffstat (limited to 'gas')
-rw-r--r-- | gas/ChangeLog | 6 | ||||
-rw-r--r-- | gas/config/tc-nios2.c | 137 | ||||
-rw-r--r-- | gas/testsuite/ChangeLog | 7 | ||||
-rw-r--r-- | gas/testsuite/gas/nios2/movi.d | 13 | ||||
-rw-r--r-- | gas/testsuite/gas/nios2/movi.l | 6 | ||||
-rw-r--r-- | gas/testsuite/gas/nios2/movi.s | 18 | ||||
-rw-r--r-- | gas/testsuite/gas/nios2/nios2.exp | 1 |
7 files changed, 29 insertions, 159 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index b0119c6..3508468 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2014-11-28 Sandra Loosemore <sandra@codesourcery.com> + + * config/tc-nios2.c (can_evaluate_expr, get_expr_value): Delete. + (output_addi, output_andi, output_ori, output_xori): Delete. + (md_assemble): Remove calls to deleted functions. + 2014-11-25 Max Filippov <jcmvbkbc@gmail.com> * config/tc-xtensa.c (search_trampolines): Move post-loop diff --git a/gas/config/tc-nios2.c b/gas/config/tc-nios2.c index 7691fd1..59e9709 100644 --- a/gas/config/tc-nios2.c +++ b/gas/config/tc-nios2.c @@ -2062,34 +2062,6 @@ const int nios2_num_ps_insn_info_structs = NIOS2_NUM_PSEUDO_INSNS; /** Assembler output support. */ -static int -can_evaluate_expr (nios2_insn_infoS *insn) -{ - /* Remove this check for null and the invalid insn "ori r9, 1234" seg faults. */ - if (!insn->insn_reloc) - /* ??? Ideally we should do something other than as_fatal here as we can - continue to assemble. - However this function (actually the output_* functions) should not - have been called in the first place once an illegal instruction had - been encountered. */ - as_fatal (_("Invalid instruction encountered, cannot recover. No assembly attempted.")); - - if (insn->insn_reloc->reloc_expression.X_op == O_constant) - return 1; - - return 0; -} - -static int -get_expr_value (nios2_insn_infoS *insn) -{ - int value = 0; - - if (insn->insn_reloc->reloc_expression.X_op == O_constant) - value = insn->insn_reloc->reloc_expression.X_add_number; - return value; -} - /* Output a normal instruction. */ static void output_insn (nios2_insn_infoS *insn) @@ -2203,107 +2175,6 @@ output_call (nios2_insn_infoS *insn) dwarf2_emit_insn (4); } -/* Output an addi - will silently convert to - orhi if rA = r0 and (expr & 0xffff0000) == 0. */ -static void -output_addi (nios2_insn_infoS *insn) -{ - if (can_evaluate_expr (insn)) - { - int expr_val = get_expr_value (insn); - unsigned int rega = GET_IW_I_A (insn->insn_code); - unsigned int regb = GET_IW_I_B (insn->insn_code); - - if (rega == 0 - && (expr_val & 0xffff) == 0 - && expr_val != 0) - { - /* We really want a movhi (orhi) here. */ - insn->insn_code - = MATCH_R1_ORHI | SET_IW_I_A (rega) | SET_IW_I_B (regb); - insn->insn_reloc->reloc_expression.X_add_number - = (expr_val >> 16) & 0xffff; - insn->insn_reloc->reloc_type = BFD_RELOC_NIOS2_U16; - } - } - - /* Output an instruction. */ - output_insn (insn); -} - -static void -output_andi (nios2_insn_infoS *insn) -{ - if (can_evaluate_expr (insn)) - { - int expr_val = get_expr_value (insn); - if (expr_val != 0 && (expr_val & 0xffff) == 0) - { - unsigned int rega = GET_IW_I_A (insn->insn_code); - unsigned int regb = GET_IW_I_B (insn->insn_code); - - /* We really want an andhi here. */ - insn->insn_code - = MATCH_R1_ANDHI | SET_IW_I_A (rega) | SET_IW_I_B (regb); - insn->insn_reloc->reloc_expression.X_add_number - = (expr_val >> 16) & 0xffff; - insn->insn_reloc->reloc_type = BFD_RELOC_NIOS2_U16; - } - } - - /* Output an instruction. */ - output_insn (insn); -} - -static void -output_ori (nios2_insn_infoS *insn) -{ - if (can_evaluate_expr (insn)) - { - int expr_val = get_expr_value (insn); - if (expr_val != 0 && (expr_val & 0xffff) == 0) - { - unsigned int rega = GET_IW_I_A (insn->insn_code); - unsigned int regb = GET_IW_I_B (insn->insn_code); - - /* We really want a movhi (orhi) here. */ - insn->insn_code - = MATCH_R1_ORHI | SET_IW_I_A (rega) | SET_IW_I_B (regb); - insn->insn_reloc->reloc_expression.X_add_number - = (expr_val >> 16) & 0xffff; - insn->insn_reloc->reloc_type = BFD_RELOC_NIOS2_U16; - } - } - - /* Output an instruction. */ - output_insn (insn); -} - -static void -output_xori (nios2_insn_infoS *insn) -{ - if (can_evaluate_expr (insn)) - { - int expr_val = get_expr_value (insn); - if (expr_val != 0 && (expr_val & 0xffff) == 0) - { - unsigned int rega = GET_IW_I_A (insn->insn_code); - unsigned int regb = GET_IW_I_B (insn->insn_code); - - /* We really want an xorhi here. */ - insn->insn_code - = MATCH_R1_XORHI | SET_IW_I_A (rega) | SET_IW_I_B (regb); - insn->insn_reloc->reloc_expression.X_add_number - = (expr_val >> 16) & 0xffff; - insn->insn_reloc->reloc_type = BFD_RELOC_NIOS2_U16; - } - } - - /* Output an instruction. */ - output_insn (insn); -} - - /* Output a movhi/addi pair for the movia pseudo-op. */ static void output_movia (nios2_insn_infoS *insn) @@ -2540,14 +2411,6 @@ md_assemble (char *op_str) || (insn->insn_reloc->reloc_type == BFD_RELOC_NIOS2_CALL26_NOAT))) output_call (insn); - else if (insn->insn_nios2_opcode->pinfo & NIOS2_INSN_ANDI) - output_andi (insn); - else if (insn->insn_nios2_opcode->pinfo & NIOS2_INSN_ORI) - output_ori (insn); - else if (insn->insn_nios2_opcode->pinfo & NIOS2_INSN_XORI) - output_xori (insn); - else if (insn->insn_nios2_opcode->pinfo & NIOS2_INSN_ADDI) - output_addi (insn); else if (saved_pinfo == NIOS2_INSN_MACRO_MOVIA) output_movia (insn); else diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index 3c2f81a..54d7560 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2014-11-28 Sandra Loosemore <sandra@codesourcery.com> + + * gas/nios2/nios2.exp: Make "movi" a list test. + * gas/nios2/movi.s: Adjust comments, add another case. + * gas/nios2/movi.l: New. + * gas/nios2/movi.d: Delete. + 2014-11-25 Max Filippov <jcmvbkbc@gmail.com> * gas/xtensa/trampoline.d: Add expected output for branches. * gas/xtensa/trampoline.s: Add test case for branches. diff --git a/gas/testsuite/gas/nios2/movi.d b/gas/testsuite/gas/nios2/movi.d deleted file mode 100644 index e306017..0000000 --- a/gas/testsuite/gas/nios2/movi.d +++ /dev/null @@ -1,13 +0,0 @@ -#objdump: -dr --prefix-addresses --show-raw-insn -#name: NIOS2 movi - -# Test implicit conversion of movi/movhi etc -.*: file format elf32-littlenios2 - -Disassembly of section .text: -0+0000 <[^>]*> 00800804 movi r2,32 -0+0004 <[^>]*> 00880034 movhi r2,8192 -0+0008 <[^>]*> 00bffff4 movhi r2,65535 -0+000c <[^>]*> 28bffff4 orhi r2,r5,65535 -0+0010 <[^>]*> 50bffffc xorhi r2,r10,65535 -0+0014 <[^>]*> 78bfffec andhi r2,r15,65535 diff --git a/gas/testsuite/gas/nios2/movi.l b/gas/testsuite/gas/nios2/movi.l new file mode 100644 index 0000000..2eb47a1 --- /dev/null +++ b/gas/testsuite/gas/nios2/movi.l @@ -0,0 +1,6 @@ +.*movi.s: Assembler messages: +.*movi.s:9: Error: immediate value 536870912 out of range -32768 to 32767 +.*movi.s:12: Error: immediate value -65536 out of range -32768 to 32767 +.*movi.s:15: Error: immediate value 4294901760 out of range 0 to 65535 +.*movi.s:16: Error: immediate value 4294901760 out of range 0 to 65535 +.*movi.s:17: Error: immediate value 4294901760 out of range 0 to 65535 diff --git a/gas/testsuite/gas/nios2/movi.s b/gas/testsuite/gas/nios2/movi.s index 07d9fed..20df564 100644 --- a/gas/testsuite/gas/nios2/movi.s +++ b/gas/testsuite/gas/nios2/movi.s @@ -1,21 +1,21 @@ -# Source file used to test silent conversion of -# movi to orhi etc +# Source file used to test that former silent conversion of +# movi to orhi etc now gives range errors instead. foo: -# this doesn't get converted +# This doesn't get converted. movi r2, 0x20 -# this does +# This used to convert. movi r2, 0x20000000 -# addi should convert only if the source register is r0 +# addi used to convert only if the source register is r0. addi r2, r0, 0xffff0000 -# but we can't test for non-conversion because the value would -# be out of range -# logical ops should convert for any register +# Logical ops used to convert to equivalent *hi for any register. ori r2, r5, 0xffff0000 xori r2, r10, 0xffff0000 andi r2, r15, 0xffff0000 - +# This one used to be buggy and convert even though it wasn't supposed to, +# because it was failing to take the %lo relocation into account. +ori r23,r23,%lo(0x12340000) diff --git a/gas/testsuite/gas/nios2/nios2.exp b/gas/testsuite/gas/nios2/nios2.exp index bd68c6c..a4e7d7a 100644 --- a/gas/testsuite/gas/nios2/nios2.exp +++ b/gas/testsuite/gas/nios2/nios2.exp @@ -24,4 +24,5 @@ if { [istarget nios2-*-*] } { run_list_test "illegal" "" run_list_test "warn_nobreak" "" run_list_test "warn_noat" "" + run_list_test "movi" "" } |