diff options
| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-07 23:38:41 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-07 23:38:41 +0000 |
| commit | 6231868b110365d0d870c2f4974bfba26ccb86a9 (patch) | |
| tree | 726c1390e6a4578437c591f1a5d2ccaac85bb351 /target-cris/translate.c | |
| parent | c1e1a491906bd1d769edb16f2b2be7ff6833d26f (diff) | |
CRIS: Purify some of the flag evaluation helpers.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6227 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris/translate.c')
| -rw-r--r-- | target-cris/translate.c | 133 |
1 files changed, 72 insertions, 61 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c index 735e4442a4..03ac7ea74b 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -565,74 +565,85 @@ static void cris_flush_cc_state(DisasContext *dc) static void cris_evaluate_flags(DisasContext *dc) { - if (!dc->flags_uptodate) { - cris_flush_cc_state(dc); + if (dc->flags_uptodate) + return; - switch (dc->cc_op) + cris_flush_cc_state(dc); + + switch (dc->cc_op) + { + case CC_OP_MCP: + gen_helper_evaluate_flags_mcp(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_src, + cc_dest, cc_result); + break; + case CC_OP_MULS: + gen_helper_evaluate_flags_muls(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_result, + cpu_PR[PR_MOF]); + break; + case CC_OP_MULU: + gen_helper_evaluate_flags_mulu(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_result, + cpu_PR[PR_MOF]); + break; + case CC_OP_MOVE: + case CC_OP_AND: + case CC_OP_OR: + case CC_OP_XOR: + case CC_OP_ASR: + case CC_OP_LSR: + case CC_OP_LSL: + switch (dc->cc_size) { - case CC_OP_MCP: - gen_helper_evaluate_flags_mcp(); - break; - case CC_OP_MULS: - gen_helper_evaluate_flags_muls(); - break; - case CC_OP_MULU: - gen_helper_evaluate_flags_mulu(); - break; - case CC_OP_MOVE: - case CC_OP_AND: - case CC_OP_OR: - case CC_OP_XOR: - case CC_OP_ASR: - case CC_OP_LSR: - case CC_OP_LSL: - switch (dc->cc_size) - { - case 4: - gen_helper_evaluate_flags_move_4(); - break; - case 2: - gen_helper_evaluate_flags_move_2(); - break; - default: - gen_helper_evaluate_flags(); - break; - } - break; - case CC_OP_FLAGS: - /* live. */ - break; - case CC_OP_SUB: - case CC_OP_CMP: - if (dc->cc_size == 4) - gen_helper_evaluate_flags_sub_4(); - else - gen_helper_evaluate_flags(); + case 4: + gen_helper_evaluate_flags_move_4(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_result); + break; + case 2: + gen_helper_evaluate_flags_move_2(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_result); + break; + default: + gen_helper_evaluate_flags(); + break; + } + break; + case CC_OP_FLAGS: + /* live. */ + break; + case CC_OP_SUB: + case CC_OP_CMP: + if (dc->cc_size == 4) + gen_helper_evaluate_flags_sub_4(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); + else + gen_helper_evaluate_flags(); + break; + default: + switch (dc->cc_size) + { + case 4: + gen_helper_evaluate_flags_alu_4(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); break; default: - switch (dc->cc_size) - { - case 4: - gen_helper_evaluate_flags_alu_4(); - break; - default: - gen_helper_evaluate_flags(); - break; - } - break; + gen_helper_evaluate_flags(); + break; } - if (dc->flagx_known) { - if (dc->flags_x) - tcg_gen_ori_tl(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], X_FLAG); - else - tcg_gen_andi_tl(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], ~X_FLAG); - } - - dc->flags_uptodate = 1; + break; } + + if (dc->flagx_known) { + if (dc->flags_x) + tcg_gen_ori_tl(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], X_FLAG); + else + tcg_gen_andi_tl(cpu_PR[PR_CCS], + cpu_PR[PR_CCS], ~X_FLAG); + } + dc->flags_uptodate = 1; } static void cris_cc_mask(DisasContext *dc, unsigned int mask) |