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7003454: order constants in constant table by number of references in code

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Reviewed-by: kvn, never, bdelsart
This commit is contained in:
Christian Thalinger 2011-11-16 01:39:50 -08:00
parent 6b52dbceb0
commit 81c085a1e2
17 changed files with 249 additions and 189 deletions
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8
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -855,12 +855,6 @@ class Assembler : public AbstractAssembler {
Lookaside = 1 << 4
};
// test if x is within signed immediate range for nbits
static bool is_simm(intptr_t x, int nbits) { return -( intptr_t(1) << nbits-1 ) <= x && x < ( intptr_t(1) << nbits-1 ); }
// test if -4096 <= x <= 4095
static bool is_simm13(intptr_t x) { return is_simm(x, 13); }
static bool is_in_wdisp_range(address a, address b, int nbits) {
intptr_t d = intptr_t(b) - intptr_t(a);
return is_simm(d, nbits + 2);
@ -1203,7 +1197,7 @@ public:
if (!UseCBCond || cbcond_before()) return false;
intptr_t x = intptr_t(target_distance(L)) - intptr_t(pc());
assert( (x & 3) == 0, "not word aligned");
return is_simm(x, 12);
return is_simm12(x);
}
// Tells assembler you know that next instruction is delayed