Adjust predicates and constraints of scalar insns.

Changelog

gcc/
	* config/i386/sse.md
	(<sse>_vm<plusminus_insn><mode>3<mask_scalar_name><round_scalar_name>,
	<sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name><round_scalar_name>,
	<sse>_vmsqrt<mode>2<mask_scalar_name><round_scalar_name>,
	<sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name>,
	<sse>_vmmaskcmp<mode>3):
	Change predicates from vector_operand to nonimmediate_operand,
	constraints xBm to xm, since scalar operations don't need
	memory address alignment.
	(avx512f_vmcmp<mode>3<round_saeonly_name>,
	avx512f_vmcmp<mode>3_mask<round_saeonly_name>): Replace
	round_saeonly_nimm_predicate with
	round_saeonly_nimm_scalar_predicate.
	(fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
	fmai_vmfnmadd_<mode><round_name>,fmai_vmfnmsub_<mode><round_name>,
	*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
	*fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>,
	avx512f_vmfmadd_<mode>_mask3<round_name>,
	avx512f_vmfmadd_<mode>_maskz_1<round_name>,
	*avx512f_vmfmsub_<mode>_mask<round_name>,
	avx512f_vmfmsub_<mode>_mask3<round_name>,
	*avx512f_vmfmsub_<mode>_maskz_1<round_name>,
	*avx512f_vmfnmadd_<mode>_mask<round_name>,
	*avx512f_vmfnmadd_<mode>_mask3<round_name>,
	*avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
	*avx512f_vmfnmsub_<mode>_mask<round_name>,
	*avx512f_vmfnmsub_<mode>_mask3<round_name>,
	*avx512f_vmfnmsub_<mode>_maskz_1<round_name>,
	cvtusi2<ssescalarmodesuffix>32<round_name>,
	cvtusi2<ssescalarmodesuffix>64<round_name>, ): Replace
	round_nimm_predicate with round_nimm_scalr_predicate.
	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>,
	avx512f_sfixupimm<mode>_mask<round_saeonly_name>,
	avx512er_vmrcp28<mode><round_saeonly_name>,
	avx512er_vmrsqrt28<mode><round_saeonly_name>,
	): Replace round_saeonly_nimm_predicate with
	round_saeonly_nimm_scalar_predicate.
	(avx512dq_vmfpclass<mode><mask_scalar_merge_name>): Replace
	vector_operand with nonimmediate_operand.
	* config/i386/subst.md (round_scalar_nimm_predicate,
	round_saeonly_scalar_nimm_predicate): Replace
	vector_operand with nonimmediate_operand.

From-SVN: r277470

gcc/ChangeLog

 2019-10-26  Hongtao Liu  <hongtao.liu@intel.com>
 
+	* config/i386/sse.md
+	(<sse>_vm<plusminus_insn><mode>3<mask_scalar_name><round_scalar_name>,
+	<sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name><round_scalar_name>,
+	<sse>_vmsqrt<mode>2<mask_scalar_name><round_scalar_name>,
+	<sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name>,
+	<sse>_vmmaskcmp<mode>3):
+	Change predicates from vector_operand to nonimmediate_operand,
+	constraints xBm to xm, since scalar operations don't need
+	memory address alignment.
+	(avx512f_vmcmp<mode>3<round_saeonly_name>,
+	avx512f_vmcmp<mode>3_mask<round_saeonly_name>): Replace
+	round_saeonly_nimm_predicate with
+	round_saeonly_nimm_scalar_predicate.
+	(fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
+	fmai_vmfnmadd_<mode><round_name>,fmai_vmfnmsub_<mode><round_name>,
+	*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
+	*fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>,
+	avx512f_vmfmadd_<mode>_mask3<round_name>,
+	avx512f_vmfmadd_<mode>_maskz_1<round_name>,
+	*avx512f_vmfmsub_<mode>_mask<round_name>,
+	avx512f_vmfmsub_<mode>_mask3<round_name>,
+	*avx512f_vmfmsub_<mode>_maskz_1<round_name>,
+	*avx512f_vmfnmadd_<mode>_mask<round_name>,
+	*avx512f_vmfnmadd_<mode>_mask3<round_name>,
+	*avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
+	*avx512f_vmfnmsub_<mode>_mask<round_name>,
+	*avx512f_vmfnmsub_<mode>_mask3<round_name>,
+	*avx512f_vmfnmsub_<mode>_maskz_1<round_name>,
+	cvtusi2<ssescalarmodesuffix>32<round_name>,
+	cvtusi2<ssescalarmodesuffix>64<round_name>, ): Replace
+	round_nimm_predicate with round_nimm_scalr_predicate.
+	(avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>,
+	avx512f_sfixupimm<mode>_mask<round_saeonly_name>,
+	avx512er_vmrcp28<mode><round_saeonly_name>,
+	avx512er_vmrsqrt28<mode><round_saeonly_name>,
+	): Replace round_saeonly_nimm_predicate with
+	round_saeonly_nimm_scalar_predicate.
+	(avx512dq_vmfpclass<mode><mask_scalar_merge_name>): Replace
+	vector_operand with nonimmediate_operand.
+	* config/i386/subst.md (round_scalar_nimm_predicate,
+	round_saeonly_scalar_nimm_predicate): Replace
+	vector_operand with nonimmediate_operand.
+
+2019-10-26  Hongtao Liu  <hongtao.liu@intel.com>
+
 	PR target/89071
 	* config/i386/i386.md (*rcpsf2_sse): Add
 	avx_partial_xmm_update, prefer m constraint for TARGET_AVX.

gcc/config/i386/subst.md

@@ -271,7 +271,7 @@
 (define_subst_attr "round_scalar_mask_op3" "round_scalar" "" "<round_scalar_mask_operand3>")
 (define_subst_attr "round_scalar_constraint" "round_scalar" "vm" "v")
 (define_subst_attr "round_scalar_prefix" "round_scalar" "vex" "evex")
-(define_subst_attr "round_scalar_nimm_predicate" "round_scalar" "vector_operand" "register_operand")
+(define_subst_attr "round_scalar_nimm_predicate" "round_scalar" "nonimmediate_operand" "register_operand")
 
 (define_subst "round_scalar"
   [(set (match_operand:SUBST_V 0)
@@ -296,7 +296,7 @@
 (define_subst_attr "round_saeonly_scalar_mask_op4" "round_saeonly_scalar" "" "<round_saeonly_scalar_mask_operand4>")
 (define_subst_attr "round_saeonly_scalar_constraint" "round_saeonly_scalar" "vm" "v")
 (define_subst_attr "round_saeonly_scalar_prefix" "round_saeonly_scalar" "vex" "evex")
-(define_subst_attr "round_saeonly_scalar_nimm_predicate" "round_saeonly_scalar" "vector_operand" "register_operand")
+(define_subst_attr "round_saeonly_scalar_nimm_predicate" "round_saeonly_scalar" "nonimmediate_operand" "register_operand")
 
 (define_subst "round_saeonly_scalar"
   [(set (match_operand:SUBST_V 0)