bzip2: move runningOrder[] back to stack - 256 bytes is not much

function                                             old     new   delta
mainSort                                            1119    1108     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 8 insertions, 6 deletions

diff --git a/archival/libarchive/bz/blocksort.c b/archival/libarchive/bz/blocksort.c
index 7c5b6c552..0a9a597d0 100644
--- a/archival/libarchive/bz/blocksort.c
+++ b/archival/libarchive/bz/blocksort.c
@@ -113,9 +113,8 @@ void fallbackQSort3(uint32_t* fmap,
                 int32_t   loSt,
                 int32_t   hiSt)
 {
-        int32_t unLo, unHi, ltLo, gtHi, n, m;
-        int32_t sp, lo, hi;
-        uint32_t med, r, r3;
+        int32_t sp;
+        uint32_t r;
         int32_t stackLo[FALLBACK_QSORT_STACK_SIZE];
         int32_t stackHi[FALLBACK_QSORT_STACK_SIZE];
 
@@ -125,6 +124,11 @@ void fallbackQSort3(uint32_t* fmap,
         fpush(loSt, hiSt);
 
         while (sp > 0) {
+                int32_t unLo, unHi, ltLo, gtHi, n, m;
+                int32_t lo, hi;
+                uint32_t med;
+                uint32_t r3;
+
                 AssertH(sp < FALLBACK_QSORT_STACK_SIZE - 1, 1004);
 
                 fpop(lo, hi);
@@ -730,12 +734,11 @@ void mainSort(EState* state)
 {
         int32_t  i, j;
         Bool     bigDone[256];
-        /* bbox: moved to EState to save stack
         uint8_t  runningOrder[256];
+        /* bbox: moved to EState to save stack
         int32_t  copyStart[256];
         int32_t  copyEnd  [256];
         */
-#define runningOrder (state->mainSort__runningOrder)
 #define copyStart    (state->mainSort__copyStart)
 #define copyEnd      (state->mainSort__copyEnd)
 
diff --git a/archival/libarchive/bz/bzlib_private.h b/archival/libarchive/bz/bzlib_private.h
index 8b8bbe3eb..ef75ef08a 100644
--- a/archival/libarchive/bz/bzlib_private.h
+++ b/archival/libarchive/bz/bzlib_private.h
@@ -196,7 +196,6 @@ typedef struct EState {
         int32_t  BZ2_hbMakeCodeLengths__weight[BZ_MAX_ALPHA_SIZE * 2];
         int32_t  BZ2_hbMakeCodeLengths__parent[BZ_MAX_ALPHA_SIZE * 2];
 
-        uint8_t  mainSort__runningOrder[256];
         int32_t  mainSort__copyStart[256];
         int32_t  mainSort__copyEnd[256];
 } EState;