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This patch enables the ACLE intrinsics calling VCX1<A>, VCX2<A>, and VCX3<A> instructions who work with FPU/MVE 32-bit/64-bit registers. This patch also enables DImode for VFP to support CDE with FPU. gcc/ChangeLog: 2020-04-08 Dennis Zhang <dennis.zhang@arm.com> Matthew Malcomson <matthew.malcomson@arm.com> * config/arm/arm-builtins.c (CX_IMM_QUALIFIERS): New macro. (CX_UNARY_QUALIFIERS, CX_BINARY_QUALIFIERS): Likewise. (CX_TERNARY_QUALIFIERS): Likewise. (ARM_BUILTIN_CDE_PATTERN_START): Likewise. (ARM_BUILTIN_CDE_PATTERN_END): Likewise. (arm_init_acle_builtins): Initialize CDE builtins. (arm_expand_acle_builtin): Check CDE constant operands. * config/arm/arm.h (ARM_CDE_CONST_COPROC): New macro to set the range of CDE constant operand. * config/arm/arm.c (arm_hard_regno_mode_ok): Support DImode for TARGET_VFP_BASE. (ARM_VCDE_CONST_1, ARM_VCDE_CONST_2, ARM_VCDE_CONST_3): Likewise. * config/arm/arm_cde.h (__arm_vcx1_u32): New macro of ACLE interface. (__arm_vcx1a_u32, __arm_vcx2_u32, __arm_vcx2a_u32): Likewise. (__arm_vcx3_u32, __arm_vcx3a_u32, __arm_vcx1d_u64): Likewise. (__arm_vcx1da_u64, __arm_vcx2d_u64, __arm_vcx2da_u64): Likewise. (__arm_vcx3d_u64, __arm_vcx3da_u64): Likewise. * config/arm/arm_cde_builtins.def: New file. * config/arm/iterators.md (V_reg): New attribute of SI. * config/arm/predicates.md (const_int_coproc_operand): New. (const_int_vcde1_operand, const_int_vcde2_operand): New. (const_int_vcde3_operand): New. * config/arm/unspecs.md (UNSPEC_VCDE, UNSPEC_VCDEA): New. * config/arm/vfp.md (arm_vcx1<mode>): New entry. (arm_vcx1a<mode>, arm_vcx2<mode>, arm_vcx2a<mode>): Likewise. (arm_vcx3<mode>, arm_vcx3a<mode>): Likewise. gcc/testsuite/ChangeLog: 2020-04-08 Dennis Zhang <dennis.zhang@arm.com> * gcc.target/arm/acle/cde_v_1.c: New test. * gcc.target/arm/acle/cde_v_1_err.c: New test. * gcc.target/arm/acle/cde_v_1_mve.c: New test.
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