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| author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
|---|---|---|
| committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
| commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
| tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/hipe/arm/TODO | |
| download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip | |
The R13B03 release.OTP_R13B03
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.) |