tcg/s390x: Remove USE_LONG_BRANCHES
The size of a compiled TB is limited by the uint16_t used by gen_insn_end_off[] -- there is no need for a 32-bit branch. Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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@ -33,11 +33,6 @@
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#include "../tcg-pool.c.inc"
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#include "elf.h"
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/* ??? The translation blocks produced by TCG are generally small enough to
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be entirely reachable with a 16-bit displacement. Leaving the option for
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a 32-bit displacement here Just In Case. */
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#define USE_LONG_BRANCHES 0
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#define TCG_CT_CONST_S16 0x100
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#define TCG_CT_CONST_S32 0x200
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#define TCG_CT_CONST_S33 0x400
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@ -1525,10 +1520,6 @@ static void tgen_branch(TCGContext *s, int cc, TCGLabel *l)
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{
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if (l->has_value) {
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tgen_gotoi(s, cc, l->u.value_ptr);
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} else if (USE_LONG_BRANCHES) {
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tcg_out16(s, RIL_BRCL | (cc << 4));
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tcg_out_reloc(s, s->code_ptr, R_390_PC32DBL, l, 2);
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s->code_ptr += 2;
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} else {
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tcg_out16(s, RI_BRC | (cc << 4));
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tcg_out_reloc(s, s->code_ptr, R_390_PC16DBL, l, 2);
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