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re PR tree-optimization/79345 (passing yet-uninitialized member as argument to base class constructor should warn (-Wunitialized))
PR tree-optimization/79345 * gensupport.h (struct pattern_stats): Add min_scratch_opno field. * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it. (get_pattern_stats): Initialize it. * genemit.c (gen_expand): Verify match_scratch numbers come after match_operand/match_dup numbers. * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and match_scratch numbers. * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>): Likewise. * config/s390/s390.md (trunctdsd2): Likewise. From-SVN: r245833
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Jakub Jelinek
Jakub Jelinek
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da403f3178
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d5a216fa21
@ -1,3 +1,17 @@
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2017-03-02 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/79345
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* gensupport.h (struct pattern_stats): Add min_scratch_opno field.
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* gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
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(get_pattern_stats): Initialize it.
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* genemit.c (gen_expand): Verify match_scratch numbers come after
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match_operand/match_dup numbers.
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* config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
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match_scratch numbers.
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* config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
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Likewise.
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* config/s390/s390.md (trunctdsd2): Likewise.
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2017-03-02 Richard Biener <rguenther@suse.de>
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* wide-int.h (wide_int_storage::operator=): Implement in terms
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@ -7364,11 +7364,11 @@
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(match_operand:SWI48 1 "nonimmediate_operand"))
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(any_extend:<DWI>
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(match_operand:SWI48 2 "register_operand")))
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(match_dup 4))))
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(clobber (match_scratch:SWI48 3))
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(match_dup 3))))
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(clobber (match_scratch:SWI48 4))
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(clobber (reg:CC FLAGS_REG))])]
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""
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"operands[4] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));")
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"operands[3] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));")
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(define_insn "*<s>muldi3_highpart_1"
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[(set (match_operand:DI 0 "register_operand" "=d")
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@ -18873,7 +18873,7 @@
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(unspec:VEC_GATHER_MODE
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[(match_operand:VEC_GATHER_MODE 1 "register_operand")
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(mem:<ssescalarmode>
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(match_par_dup 7
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(match_par_dup 6
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[(match_operand 2 "vsib_address_operand")
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(match_operand:<VEC_GATHER_IDXSI>
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3 "register_operand")
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@ -18881,10 +18881,10 @@
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(mem:BLK (scratch))
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(match_operand:VEC_GATHER_MODE 4 "register_operand")]
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UNSPEC_GATHER))
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(clobber (match_scratch:VEC_GATHER_MODE 6))])]
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(clobber (match_scratch:VEC_GATHER_MODE 7))])]
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"TARGET_AVX2"
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{
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operands[7]
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operands[6]
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= gen_rtx_UNSPEC (Pmode, gen_rtvec (3, operands[2], operands[3],
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operands[5]), UNSPEC_VSIBADDR);
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})
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@ -18934,7 +18934,7 @@
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(unspec:VEC_GATHER_MODE
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[(match_operand:<VEC_GATHER_SRCDI> 1 "register_operand")
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(mem:<ssescalarmode>
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(match_par_dup 7
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(match_par_dup 6
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[(match_operand 2 "vsib_address_operand")
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(match_operand:<VEC_GATHER_IDXDI>
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3 "register_operand")
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@ -18942,10 +18942,10 @@
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(mem:BLK (scratch))
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(match_operand:<VEC_GATHER_SRCDI> 4 "register_operand")]
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UNSPEC_GATHER))
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(clobber (match_scratch:VEC_GATHER_MODE 6))])]
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(clobber (match_scratch:VEC_GATHER_MODE 7))])]
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"TARGET_AVX2"
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{
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operands[7]
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operands[6]
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= gen_rtx_UNSPEC (Pmode, gen_rtvec (3, operands[2], operands[3],
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operands[5]), UNSPEC_VSIBADDR);
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})
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@ -5074,15 +5074,15 @@
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(define_expand "trunctdsd2"
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[(parallel
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[(set (match_dup 3)
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[(set (match_dup 2)
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(float_truncate:DD (match_operand:TD 1 "register_operand" "")))
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(unspec:DI [(const_int DFP_RND_PREP_FOR_SHORT_PREC)] UNSPEC_ROUND)
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(clobber (match_scratch:TD 2 ""))])
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(clobber (match_scratch:TD 3 ""))])
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(set (match_operand:SD 0 "register_operand" "")
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(float_truncate:SD (match_dup 3)))]
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(float_truncate:SD (match_dup 2)))]
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"TARGET_HARD_DFP"
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{
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operands[3] = gen_reg_rtx (DDmode);
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operands[2] = gen_reg_rtx (DDmode);
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})
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;
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@ -448,6 +448,10 @@ gen_expand (md_rtx_info *info)
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/* Find out how many operands this function has. */
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get_pattern_stats (&stats, XVEC (expand, 1));
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if (stats.min_scratch_opno != -1
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&& stats.min_scratch_opno <= MAX (stats.max_opno, stats.max_dup_opno))
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fatal_at (info->loc, "define_expand for %s needs to have match_scratch "
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"numbers above all other operands", XSTR (expand, 0));
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/* Output the function name and argument declarations. */
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printf ("rtx\ngen_%s (", XSTR (expand, 0));
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@ -479,8 +483,6 @@ gen_expand (md_rtx_info *info)
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make a local variable. */
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for (i = stats.num_generator_args; i <= stats.max_dup_opno; i++)
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printf (" rtx operand%d;\n", i);
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for (; i <= stats.max_scratch_opno; i++)
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printf (" rtx operand%d ATTRIBUTE_UNUSED;\n", i);
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printf (" rtx_insn *_val = 0;\n");
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printf (" start_sequence ();\n");
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@ -516,7 +518,7 @@ gen_expand (md_rtx_info *info)
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(unless we aren't going to use them at all). */
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if (XVEC (expand, 1) != 0)
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{
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for (i = 0; i < stats.num_operand_vars; i++)
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for (i = 0; i <= MAX (stats.max_opno, stats.max_dup_opno); i++)
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{
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printf (" operand%d = operands[%d];\n", i, i);
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printf (" (void) operand%d;\n", i);
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@ -3000,6 +3000,10 @@ get_pattern_stats_1 (struct pattern_stats *stats, rtx x)
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break;
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case MATCH_SCRATCH:
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if (stats->min_scratch_opno == -1)
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stats->min_scratch_opno = XINT (x, 0);
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else
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stats->min_scratch_opno = MIN (stats->min_scratch_opno, XINT (x, 0));
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stats->max_scratch_opno = MAX (stats->max_scratch_opno, XINT (x, 0));
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break;
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@ -3032,6 +3036,7 @@ get_pattern_stats (struct pattern_stats *stats, rtvec pattern)
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stats->max_opno = -1;
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stats->max_dup_opno = -1;
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stats->min_scratch_opno = -1;
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stats->max_scratch_opno = -1;
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stats->num_dups = 0;
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@ -199,7 +199,8 @@ struct pattern_stats
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/* The largest match_dup, match_op_dup or match_par_dup number found. */
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int max_dup_opno;
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/* The largest match_scratch number found. */
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/* The smallest and largest match_scratch number found. */
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int min_scratch_opno;
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int max_scratch_opno;
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/* The number of times match_dup, match_op_dup or match_par_dup appears
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