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Diffstat (limited to 'tcg/TODO')
| -rw-r--r-- | tcg/TODO | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tcg/TODO b/tcg/TODO new file mode 100644 index 0000000000..9189926106 --- /dev/null +++ b/tcg/TODO @@ -0,0 +1,32 @@ +- test macro system + +- test conditional jumps + +- test mul, div, ext8s, ext16s, bswap + +- generate a global TB prologue and epilogue to save/restore registers + to/from the CPU state and to reserve a stack frame to optimize + helper calls. Modify cpu-exec.c so that it does not use global + register variables (except maybe for 'env'). + +- fully convert the x86 target. The minimal amount of work includes: + - add cc_src, cc_dst and cc_op as globals + - disable its eflags optimization (the liveness analysis should + suffice) + - move complicated operations to helpers (in particular FPU, SSE, MMX). + +- optimize the x86 target: + - move some or all the registers as globals + - use the TB prologue and epilogue to have QEMU target registers in + pre assigned host registers. + +Ideas: + +- Move the slow part of the qemu_ld/st ops after the end of the TB. + +- Experiment: change instruction storage to simplify macro handling + and to handle dynamic allocation and see if the translation speed is + OK. + +- change exception syntax to get closer to QOP system (exception + parameters given with a specific instruction). |