diff options
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.h | 6 | ||||
| -rw-r--r-- | gcc/config/aarch64/constraints.md | 3 | ||||
| -rw-r--r-- | gcc/config/aarch64/predicates.md | 3 |
4 files changed, 14 insertions, 3 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 48ec1ac..6a674a3 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -1610,6 +1610,7 @@ aarch64_hard_regno_nregs (unsigned regno, machine_mode mode) { case FP_REGS: case FP_LO_REGS: + case FP_LO8_REGS: if (aarch64_sve_data_mode_p (mode)) return exact_div (GET_MODE_SIZE (mode), BYTES_PER_SVE_VECTOR).to_constant (); @@ -8279,7 +8280,8 @@ aarch64_regno_regclass (unsigned regno) return POINTER_REGS; if (FP_REGNUM_P (regno)) - return FP_LO_REGNUM_P (regno) ? FP_LO_REGS : FP_REGS; + return (FP_LO8_REGNUM_P (regno) ? FP_LO8_REGS + : FP_LO_REGNUM_P (regno) ? FP_LO_REGS : FP_REGS); if (PR_REGNUM_P (regno)) return PR_LO_REGNUM_P (regno) ? PR_LO_REGS : PR_HI_REGS; @@ -8569,6 +8571,7 @@ aarch64_class_max_nregs (reg_class_t regclass, machine_mode mode) case POINTER_AND_FP_REGS: case FP_REGS: case FP_LO_REGS: + case FP_LO8_REGS: if (aarch64_sve_data_mode_p (mode) && constant_multiple_p (GET_MODE_SIZE (mode), BYTES_PER_SVE_VECTOR, &nregs)) diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h index 34fca90..0c27d90 100644 --- a/gcc/config/aarch64/aarch64.h +++ b/gcc/config/aarch64/aarch64.h @@ -563,6 +563,9 @@ extern unsigned aarch64_architecture_version; #define FP_LO_REGNUM_P(REGNO) \ (((unsigned) (REGNO - V0_REGNUM)) <= (V15_REGNUM - V0_REGNUM)) +#define FP_LO8_REGNUM_P(REGNO) \ + (((unsigned) (REGNO - V0_REGNUM)) <= (V7_REGNUM - V0_REGNUM)) + #define PR_REGNUM_P(REGNO)\ (((unsigned) (REGNO - P0_REGNUM)) <= (P15_REGNUM - P0_REGNUM)) @@ -581,6 +584,7 @@ enum reg_class GENERAL_REGS, STACK_REG, POINTER_REGS, + FP_LO8_REGS, FP_LO_REGS, FP_REGS, POINTER_AND_FP_REGS, @@ -600,6 +604,7 @@ enum reg_class "GENERAL_REGS", \ "STACK_REG", \ "POINTER_REGS", \ + "FP_LO8_REGS", \ "FP_LO_REGS", \ "FP_REGS", \ "POINTER_AND_FP_REGS", \ @@ -616,6 +621,7 @@ enum reg_class { 0x7fffffff, 0x00000000, 0x00000003 }, /* GENERAL_REGS */ \ { 0x80000000, 0x00000000, 0x00000000 }, /* STACK_REG */ \ { 0xffffffff, 0x00000000, 0x00000003 }, /* POINTER_REGS */ \ + { 0x00000000, 0x000000ff, 0x00000000 }, /* FP_LO8_REGS */ \ { 0x00000000, 0x0000ffff, 0x00000000 }, /* FP_LO_REGS */ \ { 0x00000000, 0xffffffff, 0x00000000 }, /* FP_REGS */ \ { 0xffffffff, 0xffffffff, 0x00000003 }, /* POINTER_AND_FP_REGS */\ diff --git a/gcc/config/aarch64/constraints.md b/gcc/config/aarch64/constraints.md index 824000a..6763d3d 100644 --- a/gcc/config/aarch64/constraints.md +++ b/gcc/config/aarch64/constraints.md @@ -36,6 +36,9 @@ (define_register_constraint "x" "FP_LO_REGS" "Floating point and SIMD vector registers V0 - V15.") +(define_register_constraint "y" "FP_LO8_REGS" + "Floating point and SIMD vector registers V0 - V7.") + (define_constraint "I" "A constant that can be used with an ADD operation." (and (match_code "const_int") diff --git a/gcc/config/aarch64/predicates.md b/gcc/config/aarch64/predicates.md index 2cd0b87..3a8b507 100644 --- a/gcc/config/aarch64/predicates.md +++ b/gcc/config/aarch64/predicates.md @@ -53,8 +53,7 @@ (define_predicate "aarch64_simd_register" (and (match_code "reg") - (ior (match_test "REGNO_REG_CLASS (REGNO (op)) == FP_LO_REGS") - (match_test "REGNO_REG_CLASS (REGNO (op)) == FP_REGS")))) + (match_test "FP_REGNUM_P (REGNO (op))"))) (define_predicate "aarch64_reg_or_zero" (and (match_code "reg,subreg,const_int,const_double") |