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| author | Kartik Agaram <vc@akkartik.com> | 2020-03-08 16:24:25 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-03-08 16:24:25 -0700 |
| commit | e33feb03a0f37e505ed53032f45d85f817b124ad (patch) | |
| tree | 88d2d11dffcd34ba98cf4e945d23b5ae3b30c33d /apps | |
| parent | b12e8c593f94b761f09a65ff2d3abbcf8f2dbd8f (diff) | |
| download | mu-e33feb03a0f37e505ed53032f45d85f817b124ad.tar.gz | |
6104
parse-mu-types has a lot of local state. Move a local to the stack to free up a register.
Diffstat (limited to 'apps')
| -rwxr-xr-x | apps/mu | bin | 183168 -> 183193 bytes | |||
| -rw-r--r-- | apps/mu.subx | 19 |
2 files changed, 12 insertions, 7 deletions
diff --git a/apps/mu b/apps/mu index bf2065ad..df823788 100755 --- a/apps/mu +++ b/apps/mu Binary files differdiff --git a/apps/mu.subx b/apps/mu.subx index 3cf9c23f..c8afbc90 100644 --- a/apps/mu.subx +++ b/apps/mu.subx @@ -5623,6 +5623,8 @@ populate-mu-type: # in: (addr stream byte), t: (handle typeinfo) # . prologue 55/push-ebp 89/<- %ebp 4/r32/esp + # var curr-offset: int at *(ebp-4) for memorability + 68/push 0/imm32 # . save registers 50/push-eax 51/push-ecx @@ -5642,8 +5644,6 @@ populate-mu-type: # in: (addr stream byte), t: (handle typeinfo) 68/push 0/imm32/end 68/push 0/imm32/start 89/<- %edx 4/r32/esp - # var curr-offset/ebx: int = 0 - bb/copy-to-ebx 0/imm32 { $populate-mu-type:line-loop: (clear-stream %ecx) @@ -5689,17 +5689,20 @@ $populate-mu-type:create-output-type: 8b/-> *(ebp+0xc) 7/r32/edi # restore } $populate-mu-type:set-output-offset: - # r->output-var->offset = curr-offset - 8b/-> *(eax+8) 0/r32/eax # Typeinfo-entry-output-var - 89/<- *(eax+0xc) 3/r32/ebx # Var-offset + # var ov/ebx: (handle var) = r->output-var + 8b/-> *(eax+8) 3/r32/ebx # Typeinfo-entry-output-var + # ov->offset = curr-offset + 8b/-> *(ebp-4) 0/r32/eax + 89/<- *(ebx+0xc) 0/r32/eax # curr-offset += size-of(v) (size-of %esi) # => eax - 01/add-to %ebx 0/r32/eax + 01/add-to *(ebp-4) 0/r32/eax # e9/jump loop/disp32 } # persist the total size of the type - 89/<- *(edi+8) 3/r32/ebx # Typeinfo-total-size-in-bytes + 8b/-> *(ebp-4) 0/r32/eax + 89/<- *(edi+8) 0/r32/eax # Typeinfo-total-size-in-bytes $populate-mu-type:end: # . reclaim locals 81 0/subop/add %esp 0x214/imm32 @@ -5710,6 +5713,8 @@ $populate-mu-type:end: 5a/pop-to-edx 59/pop-to-ecx 58/pop-to-eax + # reclaim curr-offset + 81 0/subop/add %esp 4/imm32 # . epilogue 89/<- %esp 5/r32/ebp 5d/pop-to-ebp |