diff options
Diffstat (limited to 'lib/hipe/arm/TODO')
| -rw-r--r-- | lib/hipe/arm/TODO | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/hipe/arm/TODO b/lib/hipe/arm/TODO new file mode 100644 index 0000000000..546d22737a --- /dev/null +++ b/lib/hipe/arm/TODO @@ -0,0 +1,20 @@ +Assembler: + +Peephole optimiser: +- Could e.g. turn "ldr lr,[sp,#OFF]; mov pc,lr" + into "ldr pc,[sp#OFF]", but then the LR save slot must + be in the caller's frame not the callee's. +- Also kill "mov r0,r0" which seems to occur often. + +hipe_arm: +- Handle more non-trivial immediates in mk_li/mk_load/mk_store. + See e.g. big_list, which has many 11-bit character constants. + +Floating point: +- Drop no_inline_fp. Implement FP ops as calls to C or ASM + primops. All FP values passed by reference in memory. + This should at least reduce consing costs. + +Linear scan: +- Do not hardcode temp1/temp2/temp3. Instead just take three + regs from (All\Fixed)\Params. (Ditto in PowerPC.) |