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8147386: assert(size == calc_size) failed: incorrect size calculattion x86_32.ad

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Incorrect offset used in spill code for vectors

Reviewed-by: vlivanov, kvn, mcberg
This commit is contained in:
Roland Westrelin 2016-01-19 17:58:02 +01:00
parent 66b4fd463a
commit bf99c27274
1 changed files with 7 additions and 6 deletions
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13
hotspot/src/cpu/x86/vm/x86_32.ad
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@ -968,14 +968,15 @@ static int vec_stack_to_stack_helper(CodeBuffer *cbuf, bool do_size, int src_off
case Op_VecS:
calc_size = 3+src_offset_size + 3+dst_offset_size;
break;
case Op_VecD:
case Op_VecD: {
calc_size = 3+src_offset_size + 3+dst_offset_size;
src_offset += 4;
dst_offset += 4;
src_offset_size = (src_offset == 0) ? 0 : ((src_offset < 0x80) ? 1 : 4);
dst_offset_size = (dst_offset == 0) ? 0 : ((dst_offset < 0x80) ? 1 : 4);
int tmp_src_offset = src_offset + 4;
int tmp_dst_offset = dst_offset + 4;
src_offset_size = (tmp_src_offset == 0) ? 0 : ((tmp_src_offset < 0x80) ? 1 : 4);
dst_offset_size = (tmp_dst_offset == 0) ? 0 : ((tmp_dst_offset < 0x80) ? 1 : 4);
calc_size += 3+src_offset_size + 3+dst_offset_size;
break;
}
case Op_VecX:
case Op_VecY:
case Op_VecZ:
@ -1020,7 +1021,7 @@ static int vec_stack_to_stack_helper(CodeBuffer *cbuf, bool do_size, int src_off
ShouldNotReachHere();
}
int size = __ offset() - offset;
assert(size == calc_size, "incorrect size calculattion");
assert(size == calc_size, "incorrect size calculation");
return size;
#ifndef PRODUCT
} else if (!do_size) {