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| author | Paul Brook <paul@codesourcery.com> | 2006-04-07 15:03:45 +0000 |
|---|---|---|
| committer | Paul Brook <paul@codesourcery.com> | 2006-04-07 15:03:45 +0000 |
| commit | 53365c0d765c72dcca8ca57f4c8dd8bb2e0c1b19 (patch) | |
| tree | e6f71e76dbfc3989453cca5d4c4c5fd4980e2bb1 /gas/config | |
| parent | 235ecfbc5e0a90427bd7a14f6d8a663f4d40e7a7 (diff) | |
| download | gdb-53365c0d765c72dcca8ca57f4c8dd8bb2e0c1b19.zip gdb-53365c0d765c72dcca8ca57f4c8dd8bb2e0c1b19.tar.gz gdb-53365c0d765c72dcca8ca57f4c8dd8bb2e0c1b19.tar.bz2 | |
2006-04-07 Paul Brook <paul@codesourcery.com>
gas/
* config/tc-arm.c (THUMB2_LOAD_BIT): Define.
(move_or_literal_pool): Handle Thumb-2 instructions.
(do_t_ldst): Call move_or_literal_pool for =N addressing modes.
gas/testsuite/
* gas/arm/thumb2_pool.d: New test.
* gas/arm/thumb2_pool.s: New test.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arm.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 7b4887d..bf91b89 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -560,6 +560,7 @@ struct asm_opcode #define THUMB_SIZE 2 /* Size of thumb instruction. */ #define THUMB_PP_PC_LR 0x0100 #define THUMB_LOAD_BIT 0x0800 +#define THUMB2_LOAD_BIT 0x00100000 #define BAD_ARGS _("bad arguments to instruction") #define BAD_PC _("r15 not allowed here") @@ -4443,7 +4444,14 @@ encode_arm_cp_address (int i, int wb_ok, int unind_ok, int reloc_override) static int move_or_literal_pool (int i, bfd_boolean thumb_p, bfd_boolean mode_3) { - if ((inst.instruction & (thumb_p ? THUMB_LOAD_BIT : LOAD_BIT)) == 0) + unsigned long tbit; + + if (thumb_p) + tbit = (inst.instruction > 0xffff) ? THUMB2_LOAD_BIT : THUMB_LOAD_BIT; + else + tbit = LOAD_BIT; + + if ((inst.instruction & tbit) == 0) { inst.error = _("invalid pseudo operation"); return 1; @@ -4457,7 +4465,7 @@ move_or_literal_pool (int i, bfd_boolean thumb_p, bfd_boolean mode_3) { if (thumb_p) { - if ((inst.reloc.exp.X_add_number & ~0xFF) == 0) + if (!unified_syntax && (inst.reloc.exp.X_add_number & ~0xFF) == 0) { /* This can be done with a mov(1) instruction. */ inst.instruction = T_OPCODE_MOV_I8 | (inst.operands[i].reg << 8); @@ -5965,7 +5973,7 @@ encode_thumb32_addr_mode (int i, bfd_boolean is_t, bfd_boolean is_d) bfd_boolean is_pc = (inst.operands[i].reg == REG_PC); constraint (!inst.operands[i].isreg, - _("Thumb does not support the ldr =N pseudo-operation")); + _("Instruction does not support =N addresses")); inst.instruction |= inst.operands[i].reg << 16; if (inst.operands[i].immisreg) @@ -6979,6 +6987,13 @@ do_t_ldst (void) opcode = inst.instruction; if (unified_syntax) { + if (!inst.operands[1].isreg) + { + if (opcode <= 0xffff) + inst.instruction = THUMB_OP32 (opcode); + if (move_or_literal_pool (0, /*thumb_p=*/TRUE, /*mode_3=*/FALSE)) + return; + } if (inst.operands[1].isreg && !inst.operands[1].writeback && !inst.operands[1].shifted && !inst.operands[1].postind |