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tcg/i386: Split out constraint sets to tcg-target-con-set.h
This exports the constraint sets from tcg_target_op_def to a place we will be able to manipulate more in future. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
parent
8c07f3262e
commit
4c22e84088
4 changed files with 242 additions and 127 deletions
119
tcg/tcg.c
119
tcg/tcg.c
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@ -69,7 +69,9 @@
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/* Forward declarations for functions declared in tcg-target.c.inc and
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used here. */
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static void tcg_target_init(TCGContext *s);
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#ifndef TCG_TARGET_CON_SET_H
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static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode);
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#endif
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static void tcg_target_qemu_prologue(TCGContext *s);
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static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
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intptr_t value, intptr_t addend);
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@ -347,6 +349,112 @@ static void set_jmp_reset_offset(TCGContext *s, int which)
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s->tb_jmp_reset_offset[which] = tcg_current_code_size(s);
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}
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#ifdef TCG_TARGET_CON_SET_H
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#define C_PFX1(P, A) P##A
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#define C_PFX2(P, A, B) P##A##_##B
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#define C_PFX3(P, A, B, C) P##A##_##B##_##C
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#define C_PFX4(P, A, B, C, D) P##A##_##B##_##C##_##D
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#define C_PFX5(P, A, B, C, D, E) P##A##_##B##_##C##_##D##_##E
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#define C_PFX6(P, A, B, C, D, E, F) P##A##_##B##_##C##_##D##_##E##_##F
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/* Define an enumeration for the various combinations. */
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#define C_O0_I1(I1) C_PFX1(c_o0_i1_, I1),
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#define C_O0_I2(I1, I2) C_PFX2(c_o0_i2_, I1, I2),
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#define C_O0_I3(I1, I2, I3) C_PFX3(c_o0_i3_, I1, I2, I3),
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#define C_O0_I4(I1, I2, I3, I4) C_PFX4(c_o0_i4_, I1, I2, I3, I4),
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#define C_O1_I1(O1, I1) C_PFX2(c_o1_i1_, O1, I1),
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#define C_O1_I2(O1, I1, I2) C_PFX3(c_o1_i2_, O1, I1, I2),
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#define C_O1_I3(O1, I1, I2, I3) C_PFX4(c_o1_i3_, O1, I1, I2, I3),
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#define C_O1_I4(O1, I1, I2, I3, I4) C_PFX5(c_o1_i4_, O1, I1, I2, I3, I4),
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#define C_N1_I2(O1, I1, I2) C_PFX3(c_n1_i2_, O1, I1, I2),
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#define C_O2_I1(O1, O2, I1) C_PFX3(c_o2_i1_, O1, O2, I1),
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#define C_O2_I2(O1, O2, I1, I2) C_PFX4(c_o2_i2_, O1, O2, I1, I2),
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#define C_O2_I3(O1, O2, I1, I2, I3) C_PFX5(c_o2_i3_, O1, O2, I1, I2, I3),
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#define C_O2_I4(O1, O2, I1, I2, I3, I4) C_PFX6(c_o2_i4_, O1, O2, I1, I2, I3, I4),
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typedef enum {
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#include "tcg-target-con-set.h"
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} TCGConstraintSetIndex;
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static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode);
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#undef C_O0_I1
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#undef C_O0_I2
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#undef C_O0_I3
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#undef C_O0_I4
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#undef C_O1_I1
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#undef C_O1_I2
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#undef C_O1_I3
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#undef C_O1_I4
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#undef C_N1_I2
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#undef C_O2_I1
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#undef C_O2_I2
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#undef C_O2_I3
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#undef C_O2_I4
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/* Put all of the constraint sets into an array, indexed by the enum. */
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#define C_O0_I1(I1) { .args_ct_str = { #I1 } },
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#define C_O0_I2(I1, I2) { .args_ct_str = { #I1, #I2 } },
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#define C_O0_I3(I1, I2, I3) { .args_ct_str = { #I1, #I2, #I3 } },
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#define C_O0_I4(I1, I2, I3, I4) { .args_ct_str = { #I1, #I2, #I3, #I4 } },
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#define C_O1_I1(O1, I1) { .args_ct_str = { #O1, #I1 } },
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#define C_O1_I2(O1, I1, I2) { .args_ct_str = { #O1, #I1, #I2 } },
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#define C_O1_I3(O1, I1, I2, I3) { .args_ct_str = { #O1, #I1, #I2, #I3 } },
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#define C_O1_I4(O1, I1, I2, I3, I4) { .args_ct_str = { #O1, #I1, #I2, #I3, #I4 } },
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#define C_N1_I2(O1, I1, I2) { .args_ct_str = { "&" #O1, #I1, #I2 } },
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#define C_O2_I1(O1, O2, I1) { .args_ct_str = { #O1, #O2, #I1 } },
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#define C_O2_I2(O1, O2, I1, I2) { .args_ct_str = { #O1, #O2, #I1, #I2 } },
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#define C_O2_I3(O1, O2, I1, I2, I3) { .args_ct_str = { #O1, #O2, #I1, #I2, #I3 } },
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#define C_O2_I4(O1, O2, I1, I2, I3, I4) { .args_ct_str = { #O1, #O2, #I1, #I2, #I3, #I4 } },
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static const TCGTargetOpDef constraint_sets[] = {
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#include "tcg-target-con-set.h"
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};
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#undef C_O0_I1
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#undef C_O0_I2
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#undef C_O0_I3
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#undef C_O0_I4
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#undef C_O1_I1
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#undef C_O1_I2
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#undef C_O1_I3
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#undef C_O1_I4
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#undef C_N1_I2
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#undef C_O2_I1
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#undef C_O2_I2
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#undef C_O2_I3
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#undef C_O2_I4
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/* Expand the enumerator to be returned from tcg_target_op_def(). */
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#define C_O0_I1(I1) C_PFX1(c_o0_i1_, I1)
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#define C_O0_I2(I1, I2) C_PFX2(c_o0_i2_, I1, I2)
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#define C_O0_I3(I1, I2, I3) C_PFX3(c_o0_i3_, I1, I2, I3)
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#define C_O0_I4(I1, I2, I3, I4) C_PFX4(c_o0_i4_, I1, I2, I3, I4)
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#define C_O1_I1(O1, I1) C_PFX2(c_o1_i1_, O1, I1)
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#define C_O1_I2(O1, I1, I2) C_PFX3(c_o1_i2_, O1, I1, I2)
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#define C_O1_I3(O1, I1, I2, I3) C_PFX4(c_o1_i3_, O1, I1, I2, I3)
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#define C_O1_I4(O1, I1, I2, I3, I4) C_PFX5(c_o1_i4_, O1, I1, I2, I3, I4)
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#define C_N1_I2(O1, I1, I2) C_PFX3(c_n1_i2_, O1, I1, I2)
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#define C_O2_I1(O1, O2, I1) C_PFX3(c_o2_i1_, O1, O2, I1)
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#define C_O2_I2(O1, O2, I1, I2) C_PFX4(c_o2_i2_, O1, O2, I1, I2)
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#define C_O2_I3(O1, O2, I1, I2, I3) C_PFX5(c_o2_i3_, O1, O2, I1, I2, I3)
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#define C_O2_I4(O1, O2, I1, I2, I3, I4) C_PFX6(c_o2_i4_, O1, O2, I1, I2, I3, I4)
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#endif /* TCG_TARGET_CON_SET_H */
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#include "tcg-target.c.inc"
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/* compare a pointer @ptr and a tb_tc @s */
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@ -2424,9 +2532,20 @@ static void process_op_defs(TCGContext *s)
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continue;
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}
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#ifdef TCG_TARGET_CON_SET_H
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/*
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* Macro magic should make it impossible, but double-check that
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* the array index is in range. Since the signness of an enum
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* is implementation defined, force the result to unsigned.
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*/
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unsigned con_set = tcg_target_op_def(op);
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tcg_debug_assert(con_set < ARRAY_SIZE(constraint_sets));
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tdefs = &constraint_sets[con_set];
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#else
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tdefs = tcg_target_op_def(op);
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/* Missing TCGTargetOpDef entry. */
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tcg_debug_assert(tdefs != NULL);
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#endif
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for (i = 0; i < nb_args; i++) {
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const char *ct_str = tdefs->args_ct_str[i];
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