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*: add optimization barrier to all "G trick" locations

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This commit is contained in:
Denis Vlasenko
2008-02-27 18:41:59 +00:00
parent fe66a0eca1
commit 574f2f4394
32 changed files with 97 additions and 64 deletions
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7
editors/awk.c
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@@ -394,7 +394,8 @@ static const uint16_t PRIMES[] ALIGN2 = { 251, 1021, 4093, 16381, 65521 };
/* Globals. Split in two parts so that first one is addressed
* with (mostly short) negative offsets */
struct globals {
chain beginseq, mainseq, endseq, *seq;
chain beginseq, mainseq, endseq;
chain *seq;
node *break_ptr, *continue_ptr;
rstream *iF;
xhash *vhash, *ahash, *fdhash, *fnhash;
@@ -445,7 +446,7 @@ struct globals2 {
tsplitter fsplitter, rsplitter;
};
#define G1 (ptr_to_globals[-1])
#define G (*(struct globals2 *const)ptr_to_globals)
#define G (*(struct globals2 *)ptr_to_globals)
/* For debug. nm --size-sort awk.o | grep -vi ' [tr] ' */
/* char G1size[sizeof(G1)]; - 0x6c */
/* char Gsize[sizeof(G)]; - 0x1cc */
@@ -485,7 +486,7 @@ struct globals2 {
#define fsplitter (G.fsplitter )
#define rsplitter (G.rsplitter )
#define INIT_G() do { \
PTR_TO_GLOBALS = xzalloc(sizeof(G1) + sizeof(G)) + sizeof(G1); \
SET_PTR_TO_GLOBALS(xzalloc(sizeof(G1) + sizeof(G)) + sizeof(G1)); \
G.next_token__ltclass = TC_OPTERM; \
G.evaluate__seed = 1; \
} while (0)