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authorjules <jules@138bc75d-0d04-0410-961f-82ee72b054a4>2007-07-03 19:42:36 +0000
committerjules <jules@138bc75d-0d04-0410-961f-82ee72b054a4>2007-07-03 19:42:36 +0000
commitb5a0636d0b999957265e206ca9e6da21490ebb8d (patch)
treee271e1e30fa0f1bd69a1d4542437b7453aa640aa
parent7f792821ed7ac60fc48d4be5f0da63dd7fd86d2f (diff)
downloadppe42-gcc-b5a0636d0b999957265e206ca9e6da21490ebb8d.tar.gz
ppe42-gcc-b5a0636d0b999957265e206ca9e6da21490ebb8d.zip
gcc/
* config.gcc (with_fpu): Allow --with-fpu=vfp3. * config/arm/aout.h (REGISTER_NAMES): Add D16-D31. * config/arm/aof.h (REGISTER_NAMES): Add D16-D31. * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor capability. (all_fpus): Add FPUTYPE_VFP3. (fp_model_for_fpu): Add VFPv3 field. (arm_rtx_costs_1): Give cost to VFPv3 constants. (vfp3_const_double_index): New function. Return integer index of VFPv3 constant suitable for fconst[sd] insns, or -1 if constant isn't suitable. (vfp3_const_double_rtx): New function. True if VFPv3 is enabled and argument represents a valid RTX for a VFPv3 constant. (vfp_output_fldmd): Split fldmd with > 16 registers in the list into two instructions. (vfp_emit_fstmd): Similar, for fstmd. (arm_print_operand): Implement new code 'G' for VFPv3 floating-point constants, represented as integer indices. (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_DOUBLE macros. (arm_regno_class): Handle VFPv3 d0-d7, low, high register split. (arm_file_start): Set float-abi attribute for VFPv3, and output correct ".fpu" assembler directive. (arm_dbx_register_numbering): Add FIXME. * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3. (fputype): Add FPUTYPE_VFP3. (FIXED_REGISTERS): Add 32 registers for D16-D31. (CALL_USED_REGISTERS): Likewise. (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present. (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3. (D7_VFP_REGNUM): New. (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM) (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE) (VFP_REGNO_OK_FOR_DOUBLE): Define new macros. (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3. (REG_ALLOC_ORDER): Adjust for VFPv3. (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS. (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS. (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS. (IS_VFP_CLASS): Define macro. (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use IS_VFP_CLASS. (REGISTER_MOVE_COST): Likewise. * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype. * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127. (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp) (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp) (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp) (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp) (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp) (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2) (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2) (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp) (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't' where appropriate for single-word registers. (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp): As above. Fix type attributes. * config/arm/constraints.md (register_contraint "t"): Define. (register_constraint "w"): Change to D0-D15, or D0-D31 for VFPv3/NEON. (register_constraint "x"): Define. (constraint "Dv"): Define. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126272 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog67
-rw-r--r--gcc/config.gcc2
-rw-r--r--gcc/config/arm/aof.h11
-rw-r--r--gcc/config/arm/aout.h9
-rw-r--r--gcc/config/arm/arm-protos.h1
-rw-r--r--gcc/config/arm/arm.c175
-rw-r--r--gcc/config/arm/arm.h147
-rw-r--r--gcc/config/arm/constraints.md22
-rw-r--r--gcc/config/arm/vfp.md224
9 files changed, 490 insertions, 168 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f9413cd1bd0..4bf74fedf12 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,70 @@
+2007-07-03 Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (with_fpu): Allow --with-fpu=vfp3.
+ * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
+ * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
+ * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
+ capability.
+ (all_fpus): Add FPUTYPE_VFP3.
+ (fp_model_for_fpu): Add VFPv3 field.
+ (arm_rtx_costs_1): Give cost to VFPv3 constants.
+ (vfp3_const_double_index): New function. Return integer index of
+ VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
+ isn't suitable.
+ (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
+ and argument represents a valid RTX for a VFPv3 constant.
+ (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
+ two instructions.
+ (vfp_emit_fstmd): Similar, for fstmd.
+ (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
+ constants, represented as integer indices.
+ (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
+ VFP_REGNO_OK_FOR_DOUBLE macros.
+ (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
+ (arm_file_start): Set float-abi attribute for VFPv3, and output
+ correct ".fpu" assembler directive.
+ (arm_dbx_register_numbering): Add FIXME.
+ * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
+ (fputype): Add FPUTYPE_VFP3.
+ (FIXED_REGISTERS): Add 32 registers for D16-D31.
+ (CALL_USED_REGISTERS): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
+ of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
+ (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
+ (D7_VFP_REGNUM): New.
+ (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
+ (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
+ (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
+ (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
+ (REG_ALLOC_ORDER): Adjust for VFPv3.
+ (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
+ (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
+ VFP_LO_REGS, VFP_HI_REGS.
+ (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
+ (IS_VFP_CLASS): Define macro.
+ (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
+ IS_VFP_CLASS.
+ (REGISTER_MOVE_COST): Likewise.
+ * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
+ * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
+ (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
+ (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
+ (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
+ (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
+ (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
+ (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
+ (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
+ (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
+ (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
+ where appropriate for single-word registers.
+ (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
+ As above. Fix type attributes.
+ * config/arm/constraints.md (register_contraint "t"): Define.
+ (register_constraint "w"): Change to D0-D15, or D0-D31 for
+ VFPv3/NEON.
+ (register_constraint "x"): Define.
+ (constraint "Dv"): Define.
+
2007-07-03 Geoffrey Keating <geoffk@apple.com>
* tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index d3358c3fad4..66c3dd9c875 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2835,7 +2835,7 @@ case "${target}" in
case "$with_fpu" in
"" \
- | fpa | fpe2 | fpe3 | maverick | vfp )
+ | fpa | fpe2 | fpe3 | maverick | vfp | vfp3 )
# OK
;;
*)
diff --git a/gcc/config/arm/aof.h b/gcc/config/arm/aof.h
index e6694dc1bc7..71d87a520db 100644
--- a/gcc/config/arm/aof.h
+++ b/gcc/config/arm/aof.h
@@ -187,7 +187,10 @@ do { \
#define CTORS_SECTION_ASM_OP "\tAREA\t|C$$gnu_ctorsvec|, DATA, READONLY"
#define DTORS_SECTION_ASM_OP "\tAREA\t|C$$gnu_dtorsvec|, DATA, READONLY"
-/* Output of Assembler Instructions. */
+/* Output of Assembler Instructions. Note that the ?xx registers are
+ there so that VFPv3/NEON registers D16-D31 have the same spacing as D0-D15
+ (each of which is overlaid on two S registers), although there are no
+ actual single-precision registers which correspond to D16-D31. */
#define REGISTER_NAMES \
{ \
@@ -210,7 +213,11 @@ do { \
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \
"s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", \
"s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \
- "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \
+ "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \
+ "d16", "?16", "d17", "?17", "d18", "?18", "d19", "?19", \
+ "d20", "?20", "d21", "?21", "d22", "?22", "d23", "?23", \
+ "d24", "?24", "d25", "?25", "d26", "?26", "d27", "?27", \
+ "d28", "?28", "d29", "?29", "d30", "?30", "d31", "?31", \
"vfpcc" \
}
diff --git a/gcc/config/arm/aout.h b/gcc/config/arm/aout.h
index b91031814bb..a47859aa4cf 100644
--- a/gcc/config/arm/aout.h
+++ b/gcc/config/arm/aout.h
@@ -47,7 +47,10 @@
#define LOCAL_LABEL_PREFIX ""
#endif
-/* The assembler's names for the registers. */
+/* The assembler's names for the registers. Note that the ?xx registers are
+ there so that VFPv3/NEON registers D16-D31 have the same spacing as D0-D15
+ (each of which is overlaid on two S registers), although there are no
+ actual single-precision registers which correspond to D16-D31. */
#ifndef REGISTER_NAMES
#define REGISTER_NAMES \
{ \
@@ -68,6 +71,10 @@
"s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", \
"s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \
"s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \
+ "d16", "?16", "d17", "?17", "d18", "?18", "d19", "?19", \
+ "d20", "?20", "d21", "?21", "d22", "?22", "d23", "?23", \
+ "d24", "?24", "d25", "?25", "d26", "?26", "d27", "?27", \
+ "d28", "?28", "d29", "?29", "d30", "?30", "d31", "?31", \
"vfpcc" \
}
#endif
diff --git a/gcc/config/arm/arm-protos.h b/gcc/config/arm/arm-protos.h
index ea812711af1..3f928b853a8 100644
--- a/gcc/config/arm/arm-protos.h
+++ b/gcc/config/arm/arm-protos.h
@@ -67,6 +67,7 @@ extern rtx thumb_legitimize_reload_address (rtx *, enum machine_mode, int, int,
int);
extern int arm_const_double_rtx (rtx);
extern int neg_const_double_rtx_ok_for_fpa (rtx);
+extern int vfp3_const_double_rtx (rtx);
extern enum reg_class coproc_secondary_reload_class (enum machine_mode, rtx,
bool);
extern bool arm_tls_referenced_p (rtx);
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index df08c467b16..6c9a69594ba 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -457,6 +457,7 @@ static int thumb_call_reg_needed;
#define FL_NOTM (1 << 17) /* Instructions not present in the 'M'
profile. */
#define FL_DIV (1 << 18) /* Hardware divide. */
+#define FL_VFPV3 (1 << 19) /* Vector Floating Point V3. */
#define FL_IWMMXT (1 << 29) /* XScale v2 or "Intel Wireless MMX technology". */
@@ -700,7 +701,8 @@ static const struct fpu_desc all_fpus[] =
{"fpe2", FPUTYPE_FPA_EMU2},
{"fpe3", FPUTYPE_FPA_EMU2},
{"maverick", FPUTYPE_MAVERICK},
- {"vfp", FPUTYPE_VFP}
+ {"vfp", FPUTYPE_VFP},
+ {"vfp3", FPUTYPE_VFP3},
};
@@ -715,7 +717,8 @@ static const enum fputype fp_model_for_fpu[] =
ARM_FP_MODEL_FPA, /* FPUTYPE_FPA_EMU2 */
ARM_FP_MODEL_FPA, /* FPUTYPE_FPA_EMU3 */
ARM_FP_MODEL_MAVERICK, /* FPUTYPE_MAVERICK */
- ARM_FP_MODEL_VFP /* FPUTYPE_VFP */
+ ARM_FP_MODEL_VFP, /* FPUTYPE_VFP */
+ ARM_FP_MODEL_VFP /* FPUTYPE_VFP3 */
};
@@ -4950,7 +4953,7 @@ arm_rtx_costs_1 (rtx x, enum rtx_code code, enum rtx_code outer)
return 6;
case CONST_DOUBLE:
- if (arm_const_double_rtx (x))
+ if (arm_const_double_rtx (x) || vfp3_const_double_rtx (x))
return outer == SET ? 2 : -1;
else if ((outer == COMPARE || outer == PLUS)
&& neg_const_double_rtx_ok_for_fpa (x))
@@ -5649,6 +5652,108 @@ neg_const_double_rtx_ok_for_fpa (rtx x)
return 0;
}
+
+
+/* VFPv3 has a fairly wide range of representable immediates, formed from
+ "quarter-precision" floating-point values. These can be evaluated using this
+ formula (with ^ for exponentiation):
+
+ -1^s * n * 2^-r
+
+ Where 's' is a sign bit (0/1), 'n' and 'r' are integers such that
+ 16 <= n <= 31 and 0 <= r <= 7.
+
+ These values are mapped onto an 8-bit integer ABCDEFGH s.t.
+
+ - A (most-significant) is the sign bit.
+ - BCD are the exponent (encoded as r XOR 3).
+ - EFGH are the mantissa (encoded as n - 16).
+*/
+
+/* Return an integer index for a VFPv3 immediate operand X suitable for the
+ fconst[sd] instruction, or -1 if X isn't suitable. */
+static int
+vfp3_const_double_index (rtx x)
+{
+ REAL_VALUE_TYPE r, m;
+ int sign, exponent;
+ unsigned HOST_WIDE_INT mantissa, mant_hi;
+ unsigned HOST_WIDE_INT mask;
+ int point_pos = 2 * HOST_BITS_PER_WIDE_INT - 1;
+
+ if (!TARGET_VFP3 || GET_CODE (x) != CONST_DOUBLE)
+ return -1;
+
+ REAL_VALUE_FROM_CONST_DOUBLE (r, x);
+
+ /* We can't represent these things, so detect them first. */
+ if (REAL_VALUE_ISINF (r) || REAL_VALUE_ISNAN (r) || REAL_VALUE_MINUS_ZERO (r))
+ return -1;
+
+ /* Extract sign, exponent and mantissa. */
+ sign = REAL_VALUE_NEGATIVE (r) ? 1 : 0;
+ r = REAL_VALUE_ABS (r);
+ exponent = REAL_EXP (&r);
+ /* For the mantissa, we expand into two HOST_WIDE_INTS, apart from the
+ highest (sign) bit, with a fixed binary point at bit point_pos.
+ WARNING: If there's ever a VFP version which uses more than 2 * H_W_I - 1
+ bits for the mantissa, this may fail (low bits would be lost). */
+ real_ldexp (&m, &r, point_pos - exponent);
+ REAL_VALUE_TO_INT (&mantissa, &mant_hi, m);
+
+ /* If there are bits set in the low part of the mantissa, we can't
+ represent this value. */
+ if (mantissa != 0)
+ return -1;
+
+ /* Now make it so that mantissa contains the most-significant bits, and move
+ the point_pos to indicate that the least-significant bits have been
+ discarded. */
+ point_pos -= HOST_BITS_PER_WIDE_INT;
+ mantissa = mant_hi;
+
+ /* We can permit four significant bits of mantissa only, plus a high bit
+ which is always 1. */
+ mask = ((unsigned HOST_WIDE_INT)1 << (point_pos - 5)) - 1;
+ if ((mantissa & mask) != 0)
+ return -1;
+
+ /* Now we know the mantissa is in range, chop off the unneeded bits. */
+ mantissa >>= point_pos - 5;
+
+ /* The mantissa may be zero. Disallow that case. (It's possible to load the
+ floating-point immediate zero with Neon using an integer-zero load, but
+ that case is handled elsewhere.) */
+ if (mantissa == 0)
+ return -1;
+
+ gcc_assert (mantissa >= 16 && mantissa <= 31);
+
+ /* The value of 5 here would be 4 if GCC used IEEE754-like encoding (where
+ normalised significands are in the range [1, 2). (Our mantissa is shifted
+ left 4 places at this point relative to normalised IEEE754 values). GCC
+ internally uses [0.5, 1) (see real.c), so the exponent returned from
+ REAL_EXP must be altered. */
+ exponent = 5 - exponent;
+
+ if (exponent < 0 || exponent > 7)
+ return -1;
+
+ /* Sign, mantissa and exponent are now in the correct form to plug into the
+ formulae described in the comment above. */
+ return (sign << 7) | ((exponent ^ 3) << 4) | (mantissa - 16);
+}
+
+/* Return TRUE if rtx X is a valid immediate VFPv3 constant. */
+int
+vfp3_const_double_rtx (rtx x)
+{
+ if (!TARGET_VFP3)
+ return 0;
+
+ return vfp3_const_double_index (x) != -1;
+}
+
/* Predicates for `match_operand' and `match_operator'. */
@@ -8808,6 +8913,15 @@ vfp_output_fldmd (FILE * stream, unsigned int base, int reg, int count)
count++;
}
+ /* FLDMD may not load more than 16 doubleword registers at a time. Split the
+ load into multiple parts if we have to handle more than 16 registers. */
+ if (count > 16)
+ {
+ vfp_output_fldmd (stream, base, reg, 16);
+ vfp_output_fldmd (stream, base, reg + 16, count - 16);
+ return;
+ }
+
fputc ('\t', stream);
asm_fprintf (stream, "fldmfdd\t%r!, {", base);
@@ -8870,6 +8984,19 @@ vfp_emit_fstmd (int base_reg, int count)
count++;
}
+ /* FSTMD may not store more than 16 doubleword registers at once. Split
+ larger stores into multiple parts (up to a maximum of two, in
+ practice). */
+ if (count > 16)
+ {
+ int saved;
+ /* NOTE: base_reg is an internal register number, so each D register
+ counts as 2. */
+ saved = vfp_emit_fstmd (base_reg + 32, count - 16);
+ saved += vfp_emit_fstmd (base_reg, 16);
+ return saved;
+ }
+
par = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (count));
dwarf = gen_rtx_SEQUENCE (VOIDmode, rtvec_alloc (count + 1));
@@ -11982,6 +12109,16 @@ arm_print_operand (FILE *stream, rtx x, int code)
}
return;
+ /* Print a VFPv3 floating-point constant, represented as an integer
+ index. */
+ case 'G':
+ {
+ int index = vfp3_const_double_index (x);
+ gcc_assert (index != -1);
+ fprintf (stream, "%d", index);
+ }
+ return;
+
default:
if (x == 0)
{
@@ -12761,11 +12898,10 @@ arm_hard_regno_mode_ok (unsigned int regno, enum machine_mode mode)
&& IS_VFP_REGNUM (regno))
{
if (mode == SFmode || mode == SImode)
- return TRUE;
+ return VFP_REGNO_OK_FOR_SINGLE (regno);
- /* DFmode values are only valid in even register pairs. */
if (mode == DFmode)
- return ((regno - FIRST_VFP_REGNUM) & 1) == 0;
+ return VFP_REGNO_OK_FOR_DOUBLE (regno);
return FALSE;
}
@@ -12828,7 +12964,14 @@ arm_regno_class (int regno)
return CIRRUS_REGS;
if (IS_VFP_REGNUM (regno))
- return VFP_REGS;
+ {
+ if (regno <= D7_VFP_REGNUM)
+ return VFP_D0_D7_REGS;
+ else if (regno <= LAST_LO_VFP_REGNUM)
+ return VFP_LO_REGS;
+ else
+ return VFP_HI_REGS;
+ }
if (IS_IWMMXT_REGNUM (regno))
return IWMMXT_REGS;
@@ -15270,6 +15413,7 @@ arm_file_start (void)
}
else
{
+ int set_float_abi_attributes = 0;
switch (arm_fpu_arch)
{
case FPUTYPE_FPA:
@@ -15285,15 +15429,23 @@ arm_file_start (void)
fpu_name = "maverick";
break;
case FPUTYPE_VFP:
- if (TARGET_HARD_FLOAT)
- asm_fprintf (asm_out_file, "\t.eabi_attribute 27, 3\n");
- if (TARGET_HARD_FLOAT_ABI)
- asm_fprintf (asm_out_file, "\t.eabi_attribute 28, 1\n");
fpu_name = "vfp";
+ set_float_abi_attributes = 1;
+ break;
+ case FPUTYPE_VFP3:
+ fpu_name = "vfp3";
+ set_float_abi_attributes = 1;
break;
default:
abort();
}
+ if (set_float_abi_attributes)
+ {
+ if (TARGET_HARD_FLOAT)
+ asm_fprintf (asm_out_file, "\t.eabi_attribute 27, 3\n");
+ if (TARGET_HARD_FLOAT_ABI)
+ asm_fprintf (asm_out_file, "\t.eabi_attribute 28, 1\n");
+ }
}
asm_fprintf (asm_out_file, "\t.fpu %s\n", fpu_name);
@@ -16172,6 +16324,7 @@ arm_dbx_register_number (unsigned int regno)
if (IS_FPA_REGNUM (regno))
return (TARGET_AAPCS_BASED ? 96 : 16) + regno - FIRST_FPA_REGNUM;
+ /* FIXME: VFPv3 register numbering. */
if (IS_VFP_REGNUM (regno))
return 64 + regno - FIRST_VFP_REGNUM;
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 67fa99f22a5..8aa88ab35a2 100644
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -206,6 +206,11 @@ extern GTY(()) rtx aof_pic_label;
/* 32-bit Thumb-2 code. */
#define TARGET_THUMB2 (TARGET_THUMB && arm_arch_thumb2)
+/* FPU is VFPv3 (with twice the number of D registers). Setting the FPU to
+ Neon automatically enables VFPv3 too. */
+#define TARGET_VFP3 (arm_fp_model == ARM_FP_MODEL_VFP \
+ && (arm_fpu_arch == FPUTYPE_VFP3))
+
/* "DSP" multiply instructions, eg. SMULxy. */
#define TARGET_DSP_MULTIPLY \
(TARGET_32BIT && arm_arch5e && arm_arch_notm)
@@ -275,7 +280,9 @@ enum fputype
/* Cirrus Maverick floating point co-processor. */
FPUTYPE_MAVERICK,
/* VFP. */
- FPUTYPE_VFP
+ FPUTYPE_VFP,
+ /* VFPv3. */
+ FPUTYPE_VFP3
};
/* Recast the floating point class to be the floating point attribute. */
@@ -643,6 +650,10 @@ extern int arm_structure_size_boundary;
1,1,1,1,1,1,1,1, \
1,1,1,1,1,1,1,1, \
1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
1 \
}
@@ -669,6 +680,10 @@ extern int arm_structure_size_boundary;
1,1,1,1,1,1,1,1, \
1,1,1,1,1,1,1,1, \
1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
+ 1,1,1,1,1,1,1,1, \
1 \
}
@@ -720,11 +735,15 @@ extern int arm_structure_size_boundary;
} \
if (TARGET_VFP) \
{ \
+ /* VFPv3 registers are disabled when earlier VFP \
+ versions are selected due to the definition of \
+ LAST_VFP_REGNUM. */ \
for (regno = FIRST_VFP_REGNUM; \
regno <= LAST_VFP_REGNUM; ++ regno) \
{ \
fixed_regs[regno] = 0; \
- call_used_regs[regno] = regno < FIRST_VFP_REGNUM + 16; \
+ call_used_regs[regno] = regno < FIRST_VFP_REGNUM + 16 \
+ || regno >= FIRST_VFP_REGNUM + 32; \
} \
} \
} \
@@ -898,15 +917,35 @@ extern int arm_structure_size_boundary;
(((REGNUM) >= FIRST_CIRRUS_FP_REGNUM) && ((REGNUM) <= LAST_CIRRUS_FP_REGNUM))
#define FIRST_VFP_REGNUM 63
-#define LAST_VFP_REGNUM 94
+#define D7_VFP_REGNUM 78 /* Registers 77 and 78 == VFP reg D7. */
+#define LAST_VFP_REGNUM \
+ (TARGET_VFP3 ? LAST_HI_VFP_REGNUM : LAST_LO_VFP_REGNUM)
+
#define IS_VFP_REGNUM(REGNUM) \
(((REGNUM) >= FIRST_VFP_REGNUM) && ((REGNUM) <= LAST_VFP_REGNUM))
+/* VFP registers are split into two types: those defined by VFP versions < 3
+ have D registers overlaid on consecutive pairs of S registers. VFP version 3
+ defines 16 new D registers (d16-d31) which, for simplicity and correctness
+ in various parts of the backend, we implement as "fake" single-precision
+ registers (which would be S32-S63, but cannot be used in that way). The
+ following macros define these ranges of registers. */
+#define LAST_LO_VFP_REGNUM 94
+#define FIRST_HI_VFP_REGNUM 95
+#define LAST_HI_VFP_REGNUM 126
+
+#define VFP_REGNO_OK_FOR_SINGLE(REGNUM) \
+ ((REGNUM) <= LAST_LO_VFP_REGNUM)
+
+/* DFmode values are only valid in even register pairs. */
+#define VFP_REGNO_OK_FOR_DOUBLE(REGNUM) \
+ ((((REGNUM) - FIRST_VFP_REGNUM) & 1) == 0)
+
/* The number of hard registers is 16 ARM + 8 FPA + 1 CC + 1 SFP + 1 AFP. */
/* + 16 Cirrus registers take us up to 43. */
/* Intel Wireless MMX Technology registers add 16 + 4 more. */
-/* VFP adds 32 + 1 more. */
-#define FIRST_PSEUDO_REGISTER 96
+/* VFP (VFP3) adds 32 (64) + 1 more. */
+#define FIRST_PSEUDO_REGISTER 128
#define DBX_REGISTER_NUMBER(REGNO) arm_dbx_register_number (REGNO)
@@ -960,24 +999,32 @@ extern int arm_structure_size_boundary;
function parameters. It is quite good to use lr since other calls may
clobber it anyway. Allocate r0 through r3 in reverse order since r3 is
least likely to contain a function parameter; in addition results are
- returned in r0. */
-
-#define REG_ALLOC_ORDER \
-{ \
- 3, 2, 1, 0, 12, 14, 4, 5, \
- 6, 7, 8, 10, 9, 11, 13, 15, \
- 16, 17, 18, 19, 20, 21, 22, 23, \
- 27, 28, 29, 30, 31, 32, 33, 34, \
- 35, 36, 37, 38, 39, 40, 41, 42, \
- 43, 44, 45, 46, 47, 48, 49, 50, \
- 51, 52, 53, 54, 55, 56, 57, 58, \
- 59, 60, 61, 62, \
- 24, 25, 26, \
- 78, 77, 76, 75, 74, 73, 72, 71, \
- 70, 69, 68, 67, 66, 65, 64, 63, \
- 79, 80, 81, 82, 83, 84, 85, 86, \
- 87, 88, 89, 90, 91, 92, 93, 94, \
- 95 \
+ returned in r0.
+ For VFP/VFPv3, allocate D16-D31 first, then caller-saved registers (D0-D7),
+ then D8-D15. The reason for doing this is to attempt to reduce register
+ pressure when both single- and double-precision registers are used in a
+ function. */
+
+#define REG_ALLOC_ORDER \
+{ \
+ 3, 2, 1, 0, 12, 14, 4, 5, \
+ 6, 7, 8, 10, 9, 11, 13, 15, \
+ 16, 17, 18, 19, 20, 21, 22, 23, \
+ 27, 28, 29, 30, 31, 32, 33, 34, \
+ 35, 36, 37, 38, 39, 40, 41, 42, \
+ 43, 44, 45, 46, 47, 48, 49, 50, \
+ 51, 52, 53, 54, 55, 56, 57, 58, \
+ 59, 60, 61, 62, \
+ 24, 25, 26, \
+ 95, 96, 97, 98, 99, 100, 101, 102, \
+ 103, 104, 105, 106, 107, 108, 109, 110, \
+ 111, 112, 113, 114, 115, 116, 117, 118, \
+ 119, 120, 121, 122, 123, 124, 125, 126, \
+ 78, 77, 76, 75, 74, 73, 72, 71, \
+ 70, 69, 68, 67, 66, 65, 64, 63, \
+ 79, 80, 81, 82, 83, 84, 85, 86, \
+ 87, 88, 89, 90, 91, 92, 93, 94, \
+ 127 \
}
/* Interrupt functions can only use registers that have already been
@@ -996,6 +1043,9 @@ enum reg_class
NO_REGS,
FPA_REGS,
CIRRUS_REGS,
+ VFP_D0_D7_REGS,
+ VFP_LO_REGS,
+ VFP_HI_REGS,
VFP_REGS,
IWMMXT_GR_REGS,
IWMMXT_REGS,
@@ -1018,6 +1068,9 @@ enum reg_class
"NO_REGS", \
"FPA_REGS", \
"CIRRUS_REGS", \
+ "VFP_D0_D7_REGS", \
+ "VFP_LO_REGS", \
+ "VFP_HI_REGS", \
"VFP_REGS", \
"IWMMXT_GR_REGS", \
"IWMMXT_REGS", \
@@ -1034,24 +1087,32 @@ enum reg_class
/* Define which registers fit in which classes.
This is an initializer for a vector of HARD_REG_SET
of length N_REG_CLASSES. */
-#define REG_CLASS_CONTENTS \
-{ \
- { 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \
- { 0x00FF0000, 0x00000000, 0x00000000 }, /* FPA_REGS */ \
- { 0xF8000000, 0x000007FF, 0x00000000 }, /* CIRRUS_REGS */ \
- { 0x00000000, 0x80000000, 0x7FFFFFFF }, /* VFP_REGS */ \
- { 0x00000000, 0x00007800, 0x00000000 }, /* IWMMXT_GR_REGS */ \
- { 0x00000000, 0x7FFF8000, 0x00000000 }, /* IWMMXT_REGS */ \
- { 0x000000FF, 0x00000000, 0x00000000 }, /* LO_REGS */ \
- { 0x00002000, 0x00000000, 0x00000000 }, /* STACK_REG */ \
- { 0x000020FF, 0x00000000, 0x00000000 }, /* BASE_REGS */ \
- { 0x0000FF00, 0x00000000, 0x00000000 }, /* HI_REGS */ \
- { 0x01000000, 0x00000000, 0x00000000 }, /* CC_REG */ \
- { 0x00000000, 0x00000000, 0x80000000 }, /* VFPCC_REG */ \
- { 0x0200FFFF, 0x00000000, 0x00000000 }, /* GENERAL_REGS */ \
- { 0xFAFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF } /* ALL_REGS */ \
+#define REG_CLASS_CONTENTS \
+{ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \
+ { 0x00FF0000, 0x00000000, 0x00000000, 0x00000000 }, /* FPA_REGS */ \
+ { 0xF8000000, 0x000007FF, 0x00000000, 0x00000000 }, /* CIRRUS_REGS */ \
+ { 0x00000000, 0x80000000, 0x00007FFF, 0x00000000 }, /* VFP_D0_D7_REGS */ \
+ { 0x00000000, 0x80000000, 0x7FFFFFFF, 0x00000000 }, /* VFP_LO_REGS */ \
+ { 0x00000000, 0x00000000, 0x80000000, 0x7FFFFFFF }, /* VFP_HI_REGS */ \
+ { 0x00000000, 0x80000000, 0xFFFFFFFF, 0x7FFFFFFF }, /* VFP_REGS */ \
+ { 0x00000000, 0x00007800, 0x00000000, 0x00000000 }, /* IWMMXT_GR_REGS */ \
+ { 0x00000000, 0x7FFF8000, 0x00000000, 0x00000000 }, /* IWMMXT_REGS */ \
+ { 0x000000FF, 0x00000000, 0x00000000, 0x00000000 }, /* LO_REGS */ \
+ { 0x00002000, 0x00000000, 0x00000000, 0x00000000 }, /* STACK_REG */ \
+ { 0x000020FF, 0x00000000, 0x00000000, 0x00000000 }, /* BASE_REGS */ \
+ { 0x0000FF00, 0x00000000, 0x00000000, 0x00000000 }, /* HI_REGS */ \
+ { 0x01000000, 0x00000000, 0x00000000, 0x00000000 }, /* CC_REG */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x80000000 }, /* VFPCC_REG */ \
+ { 0x0200FFFF, 0x00000000, 0x00000000, 0x00000000 }, /* GENERAL_REGS */ \
+ { 0xFAFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF } /* ALL_REGS */ \
}
+/* Any of the VFP register classes. */
+#define IS_VFP_CLASS(X) \
+ ((X) == VFP_D0_D7_REGS || (X) == VFP_LO_REGS \
+ || (X) == VFP_HI_REGS || (X) == VFP_REGS)
+
/* The same information, inverted:
Return the class number of the smallest class containing
reg number REGNO. This could be a conditional expression
@@ -1125,7 +1186,7 @@ enum reg_class
#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \
/* Restrict which direct reloads are allowed for VFP/iWMMXt regs. */ \
((TARGET_VFP && TARGET_HARD_FLOAT \
- && (CLASS) == VFP_REGS) \
+ && IS_VFP_CLASS (CLASS)) \
? coproc_secondary_reload_class (MODE, X, FALSE) \
: (TARGET_IWMMXT && (CLASS) == IWMMXT_REGS) \
? coproc_secondary_reload_class (MODE, X, TRUE) \
@@ -1138,7 +1199,7 @@ enum reg_class
#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \
/* Restrict which direct reloads are allowed for VFP/iWMMXt regs. */ \
((TARGET_VFP && TARGET_HARD_FLOAT \
- && (CLASS) == VFP_REGS) \
+ && IS_VFP_CLASS (CLASS)) \
? coproc_secondary_reload_class (MODE, X, FALSE) : \
(TARGET_IWMMXT && (CLASS) == IWMMXT_REGS) ? \
coproc_secondary_reload_class (MODE, X, TRUE) : \
@@ -1257,8 +1318,8 @@ do { \
(TARGET_32BIT ? \
((FROM) == FPA_REGS && (TO) != FPA_REGS ? 20 : \
(FROM) != FPA_REGS && (TO) == FPA_REGS ? 20 : \
- (FROM) == VFP_REGS && (TO) != VFP_REGS ? 10 : \
- (FROM) != VFP_REGS && (TO) == VFP_REGS ? 10 : \
+ IS_VFP_CLASS (FROM) && !IS_VFP_CLASS (TO) ? 10 : \
+ !IS_VFP_CLASS (FROM) && IS_VFP_CLASS (TO) ? 10 : \
(FROM) == IWMMXT_REGS && (TO) != IWMMXT_REGS ? 4 : \
(FROM) != IWMMXT_REGS && (TO) == IWMMXT_REGS ? 4 : \
(FROM) == IWMMXT_GR_REGS || (TO) == IWMMXT_GR_REGS ? 20 : \
diff --git a/gcc/config/arm/constraints.md b/gcc/config/arm/constraints.md
index 9a60671f104..9a6938d0897 100644
--- a/gcc/config/arm/constraints.md
+++ b/gcc/config/arm/constraints.md
@@ -20,7 +20,7 @@
;; Boston, MA 02110-1301, USA.
;; The following register constraints have been used:
-;; - in ARM/Thumb-2 state: f, v, w, y, z
+;; - in ARM/Thumb-2 state: f, t, v, w, x, y, z
;; - in Thumb state: h, k, b
;; - in both states: l, c
;; In ARM state, 'l' is an alias for 'r'
@@ -30,7 +30,7 @@
;; in Thumb-1 state: I, J, K, L, M, N, O
;; The following multi-letter normal constraints have been used:
-;; in ARM/Thumb-2 state: Da, Db, Dc
+;; in ARM/Thumb-2 state: Da, Db, Dc, Dv
;; The following memory constraints have been used:
;; in ARM/Thumb-2 state: Q, Uv, Uy
@@ -40,11 +40,18 @@
(define_register_constraint "f" "TARGET_ARM ? FPA_REGS : NO_REGS"
"Legacy FPA registers @code{f0}-@code{f7}.")
+(define_register_constraint "t" "TARGET_32BIT ? VFP_LO_REGS : NO_REGS"
+ "The VFP registers @code{s0}-@code{s31}.")
+
(define_register_constraint "v" "TARGET_ARM ? CIRRUS_REGS : NO_REGS"
"The Cirrus Maverick co-processor registers.")
-(define_register_constraint "w" "TARGET_ARM ? VFP_REGS : NO_REGS"
- "The VFP registers @code{s0}-@code{s31}.")
+(define_register_constraint "w"
+ "TARGET_32BIT ? (TARGET_VFP3 ? VFP_REGS : VFP_LO_REGS) : NO_REGS"
+ "The VFP registers @code{d0}-@code{d15}, or @code{d0}-@code{d31} for VFPv3.")
+
+(define_register_constraint "x" "TARGET_32BIT ? VFP_D0_D7_REGS : NO_REGS"
+ "The VFP registers @code{d0}-@code{d7}.")
(define_register_constraint "y" "TARGET_REALLY_IWMMXT ? IWMMXT_REGS : NO_REGS"
"The Intel iWMMX co-processor registers.")
@@ -157,6 +164,13 @@
(match_test "TARGET_32BIT && arm_const_double_inline_cost (op) == 4
&& !(optimize_size || arm_ld_sched)")))
+(define_constraint "Dv"
+ "@internal
+ In ARM/Thumb-2 state a const_double which can be used with a VFP fconsts
+ or fconstd instruction."
+ (and (match_code "const_double")
+ (match_test "TARGET_32BIT && vfp3_const_double_rtx (op)")))
+
(define_memory_constraint "Uv"
"@internal
In ARM/Thumb-2 state a valid VFP load/store address."
diff --git a/gcc/config/arm/vfp.md b/gcc/config/arm/vfp.md
index 7d5a7dcb9b6..d50877ca497 100644
--- a/gcc/config/arm/vfp.md
+++ b/gcc/config/arm/vfp.md
@@ -21,7 +21,7 @@
;; Additional register numbers
(define_constants
- [(VFPCC_REGNUM 95)]
+ [(VFPCC_REGNUM 127)]
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -121,8 +121,8 @@
;; ??? For now do not allow loading constants into vfp regs. This causes
;; problems because small constants get converted into adds.
(define_insn "*arm_movsi_vfp"
- [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r ,m,*w,r,*w,*w, *Uv")
- (match_operand:SI 1 "general_operand" "rI,K,N,mi,r,r,*w,*w,*Uvi,*w"))]
+ [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r ,m,*t,r,*t,*t, *Uv")
+ (match_operand:SI 1 "general_operand" "rI,K,N,mi,r,r,*t,*t,*Uvi,*t"))]
"TARGET_ARM && TARGET_VFP && TARGET_HARD_FLOAT
&& ( s_register_operand (operands[0], SImode)
|| s_register_operand (operands[1], SImode))"
@@ -158,8 +158,8 @@
)
(define_insn "*thumb2_movsi_vfp"
- [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,m,*w,r,*w,*w, *Uv")
- (match_operand:SI 1 "general_operand" "rI,K,N,mi,r,r,*w,*w,*Uvi,*w"))]
+ [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,m,*t,r,*t,*t, *Uv")
+ (match_operand:SI 1 "general_operand" "rI,K,N,mi,r,r,*t,*t,*Uvi,*t"))]
"TARGET_THUMB2 && TARGET_VFP && TARGET_HARD_FLOAT
&& ( s_register_operand (operands[0], SImode)
|| s_register_operand (operands[1], SImode))"
@@ -262,8 +262,8 @@
;; preferable to loading the value via integer registers.
(define_insn "*movsf_vfp"
- [(set (match_operand:SF 0 "nonimmediate_operand" "=w,?r,w ,Uv,r ,m,w,r")
- (match_operand:SF 1 "general_operand" " ?r,w,UvE,w, mE,r,w,r"))]
+ [(set (match_operand:SF 0 "nonimmediate_operand" "=t,?r,t ,t ,Uv,r ,m,t,r")
+ (match_operand:SF 1 "general_operand" " ?r,t,Dv,UvE,t, mE,r,t,r"))]
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
&& ( s_register_operand (operands[0], SFmode)
|| s_register_operand (operands[1], SFmode))"
@@ -274,29 +274,32 @@
return \"fmsr%?\\t%0, %1\";
case 1:
return \"fmrs%?\\t%0, %1\";
- case 2: case 3:
+ case 2:
+ return \"fconsts%?\\t%0, #%G1\";
+ case 3: case 4:
return output_move_vfp (operands);
- case 4:
- return \"ldr%?\\t%0, %1\\t%@ float\";
case 5:
- return \"str%?\\t%1, %0\\t%@ float\";
+ return \"ldr%?\\t%0, %1\\t%@ float\";
case 6:
- return \"fcpys%?\\t%0, %1\";
+ return \"str%?\\t%1, %0\\t%@ float\";
case 7:
+ return \"fcpys%?\\t%0, %1\";
+ case 8:
return \"mov%?\\t%0, %1\\t%@ float\";
default:
gcc_unreachable ();
}
"
[(set_attr "predicable" "yes")
- (set_attr "type" "r_2_f,f_2_r,ffarith,*,f_loads,f_stores,load1,store1")
- (set_attr "pool_range" "*,*,1020,*,4096,*,*,*")
- (set_attr "neg_pool_range" "*,*,1008,*,4080,*,*,*")]
+ (set_attr "type"
+ "r_2_f,f_2_r,farith,f_loads,f_stores,load1,store1,ffarith,*")
+ (set_attr "pool_range" "*,*,*,1020,*,4096,*,*,*")
+ (set_attr "neg_pool_range" "*,*,*,1008,*,4080,*,*,*")]
)
(define_insn "*thumb2_movsf_vfp"
- [(set (match_operand:SF 0 "nonimmediate_operand" "=w,?r,w ,Uv,r ,m,w,r")
- (match_operand:SF 1 "general_operand" " ?r,w,UvE,w, mE,r,w,r"))]
+ [(set (match_operand:SF 0 "nonimmediate_operand" "=t,?r,t, t ,Uv,r ,m,t,r")
+ (match_operand:SF 1 "general_operand" " ?r,t,Dv,UvE,t, mE,r,t,r"))]
"TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP
&& ( s_register_operand (operands[0], SFmode)
|| s_register_operand (operands[1], SFmode))"
@@ -307,32 +310,35 @@
return \"fmsr%?\\t%0, %1\";
case 1:
return \"fmrs%?\\t%0, %1\";
- case 2: case 3:
+ case 2:
+ return \"fconsts%?\\t%0, #%G1\";
+ case 3: case 4:
return output_move_vfp (operands);
- case 4:
- return \"ldr%?\\t%0, %1\\t%@ float\";
case 5:
- return \"str%?\\t%1, %0\\t%@ float\";
+ return \"ldr%?\\t%0, %1\\t%@ float\";
case 6:
- return \"fcpys%?\\t%0, %1\";
+ return \"str%?\\t%1, %0\\t%@ float\";
case 7:
+ return \"fcpys%?\\t%0, %1\";
+ case 8:
return \"mov%?\\t%0, %1\\t%@ float\";
default:
gcc_unreachable ();
}
"
[(set_attr "predicable" "yes")
- (set_attr "type" "r_2_f,f_2_r,ffarith,*,f_load,f_store,load1,store1")
- (set_attr "pool_range" "*,*,1020,*,4092,*,*,*")
- (set_attr "neg_pool_range" "*,*,1008,*,0,*,*,*")]
+ (set_attr "type"
+ "r_2_f,f_2_r,farith,f_load,f_store,load1,store1,ffarith,*")
+ (set_attr "pool_range" "*,*,*,1020,*,4092,*,*,*")
+ (set_attr "neg_pool_range" "*,*,*,1008,*,0,*,*,*")]
)
;; DFmode moves
(define_insn "*movdf_vfp"
- [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,r, m,w ,Uv,w,r")
- (match_operand:DF 1 "soft_df_operand" " ?r,w,mF,r,UvF,w, w,r"))]
+ [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,w ,r, m,w ,Uv,w,r")
+ (match_operand:DF 1 "soft_df_operand" " ?r,w,Dv,mF,r,UvF,w, w,r"))]
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP
&& ( register_operand (operands[0], DFmode)
|| register_operand (operands[1], DFmode))"
@@ -344,28 +350,31 @@
return \"fmdrr%?\\t%P0, %Q1, %R1\";
case 1:
return \"fmrrd%?\\t%Q0, %R0, %P1\";
- case 2: case 3:
+ case 2:
+ return \"fconstd%?\\t%P0, #%G1\";
+ case 3: case 4:
return output_move_double (operands);
- case 4: case 5:
+ case 5: case 6:
return output_move_vfp (operands);
- case 6:
- return \"fcpyd%?\\t%P0, %P1\";
case 7:
+ return \"fcpyd%?\\t%P0, %P1\";
+ case 8:
return \"#\";
default:
gcc_unreachable ();
}
}
"
- [(set_attr "type" "r_2_f,f_2_r,ffarith,*,load2,store2,f_loadd,f_stored")
- (set_attr "length" "4,4,8,8,4,4,4,8")
- (set_attr "pool_range" "*,*,1020,*,1020,*,*,*")
- (set_attr "neg_pool_range" "*,*,1008,*,1008,*,*,*")]
+ [(set_attr "type"
+ "r_2_f,f_2_r,farith,f_loadd,f_stored,load2,store2,ffarith,*")
+ (set_attr "length" "4,4,4,8,8,4,4,4,8")
+ (set_attr "pool_range" "*,*,*,1020,*,1020,*,*,*")
+ (set_attr "neg_pool_range" "*,*,*,1008,*,1008,*,*,*")]
)
(define_insn "*thumb2_movdf_vfp"
- [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,r, m,w ,Uv,w,r")
- (match_operand:DF 1 "soft_df_operand" " ?r,w,mF,r,UvF,w, w,r"))]
+ [(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=w,?r,w ,r, m,w ,Uv,w,r")
+ (match_operand:DF 1 "soft_df_operand" " ?r,w,Dv,mF,r,UvF,w, w,r"))]
"TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP"
"*
{
@@ -375,33 +384,36 @@
return \"fmdrr%?\\t%P0, %Q1, %R1\";
case 1:
return \"fmrrd%?\\t%Q0, %R0, %P1\";
- case 2: case 3: case 7:
+ case 2:
+ return \"fconstd%?\\t%P0, #%G1\";
+ case 3: case 4: case 8:
return output_move_double (operands);
- case 4: case 5:
+ case 5: case 6:
return output_move_vfp (operands);
- case 6:
+ case 7:
return \"fcpyd%?\\t%P0, %P1\";
default:
abort ();
}
}
"
- [(set_attr "type" "r_2_f,f_2_r,ffarith,*,load2,store2,f_load,f_store")
- (set_attr "length" "4,4,8,8,4,4,4,8")
- (set_attr "pool_range" "*,*,4096,*,1020,*,*,*")
- (set_attr "neg_pool_range" "*,*,0,*,1008,*,*,*")]
+ [(set_attr "type"
+ "r_2_f,f_2_r,farith,load2,store2,f_load,f_store,ffarith,*")
+ (set_attr "length" "4,4,4,8,8,4,4,4,8")
+ (set_attr "pool_range" "*,*,*,4096,*,1020,*,*,*")
+ (set_attr "neg_pool_range" "*,*,*,0,*,1008,*,*,*")]
)
;; Conditional move patterns
(define_insn "*movsfcc_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
+ [(set (match_operand:SF 0 "s_register_operand" "=t,t,t,t,t,t,?r,?r,?r")
(if_then_else:SF
(match_operator 3 "arm_comparison_operator"
[(match_operand 4 "cc_register" "") (const_int 0)])
- (match_operand:SF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
- (match_operand:SF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
+ (match_operand:SF 1 "s_register_operand" "0,t,t,0,?r,?r,0,t,t")
+ (match_operand:SF 2 "s_register_operand" "t,0,t,?r,0,?r,t,0,t")))]
"TARGET_ARM && TARGET_HARD_FLOAT && TARGET_VFP"
"@
fcpys%D3\\t%0, %2
@@ -419,12 +431,12 @@
)
(define_insn "*thumb2_movsfcc_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w,w,w,w,w,w,?r,?r,?r")
+ [(set (match_operand:SF 0 "s_register_operand" "=t,t,t,t,t,t,?r,?r,?r")
(if_then_else:SF
(match_operator 3 "arm_comparison_operator"
[(match_operand 4 "cc_register" "") (const_int 0)])
- (match_operand:SF 1 "s_register_operand" "0,w,w,0,?r,?r,0,w,w")
- (match_operand:SF 2 "s_register_operand" "w,0,w,?r,0,?r,w,0,w")))]
+ (match_operand:SF 1 "s_register_operand" "0,t,t,0,?r,?r,0,t,t")
+ (match_operand:SF 2 "s_register_operand" "t,0,t,?r,0,?r,t,0,t")))]
"TARGET_THUMB2 && TARGET_HARD_FLOAT && TARGET_VFP"
"@
it\\t%D3\;fcpys%D3\\t%0, %2
@@ -491,8 +503,8 @@
;; Sign manipulation functions
(define_insn "*abssf2_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (abs:SF (match_operand:SF 1 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (abs:SF (match_operand:SF 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fabss%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -509,8 +521,8 @@
)
(define_insn "*negsf2_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w,?r")
- (neg:SF (match_operand:SF 1 "s_register_operand" "w,r")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t,?r")
+ (neg:SF (match_operand:SF 1 "s_register_operand" "t,r")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"@
fnegs%?\\t%0, %1
@@ -569,9 +581,9 @@
;; Arithmetic insns
(define_insn "*addsf3_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (plus:SF (match_operand:SF 1 "s_register_operand" "w")
- (match_operand:SF 2 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (plus:SF (match_operand:SF 1 "s_register_operand" "t")
+ (match_operand:SF 2 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fadds%?\\t%0, %1, %2"
[(set_attr "predicable" "yes")
@@ -590,9 +602,9 @@
(define_insn "*subsf3_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (minus:SF (match_operand:SF 1 "s_register_operand" "w")
- (match_operand:SF 2 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (minus:SF (match_operand:SF 1 "s_register_operand" "t")
+ (match_operand:SF 2 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fsubs%?\\t%0, %1, %2"
[(set_attr "predicable" "yes")
@@ -613,9 +625,9 @@
;; Division insns
(define_insn "*divsf3_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "+w")
- (div:SF (match_operand:SF 1 "s_register_operand" "w")
- (match_operand:SF 2 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "+t")
+ (div:SF (match_operand:SF 1 "s_register_operand" "t")
+ (match_operand:SF 2 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fdivs%?\\t%0, %1, %2"
[(set_attr "predicable" "yes")
@@ -636,9 +648,9 @@
;; Multiplication insns
(define_insn "*mulsf3_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "+w")
- (mult:SF (match_operand:SF 1 "s_register_operand" "w")
- (match_operand:SF 2 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "+t")
+ (mult:SF (match_operand:SF 1 "s_register_operand" "t")
+ (match_operand:SF 2 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fmuls%?\\t%0, %1, %2"
[(set_attr "predicable" "yes")
@@ -657,9 +669,9 @@
(define_insn "*mulsf3negsf_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "+w")
- (mult:SF (neg:SF (match_operand:SF 1 "s_register_operand" "w"))
- (match_operand:SF 2 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "+t")
+ (mult:SF (neg:SF (match_operand:SF 1 "s_register_operand" "t"))
+ (match_operand:SF 2 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fnmuls%?\\t%0, %1, %2"
[(set_attr "predicable" "yes")
@@ -681,9 +693,9 @@
;; 0 = 1 * 2 + 0
(define_insn "*mulsf3addsf_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (plus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "w")
- (match_operand:SF 3 "s_register_operand" "w"))
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (plus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "t")
+ (match_operand:SF 3 "s_register_operand" "t"))
(match_operand:SF 1 "s_register_operand" "0")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fmacs%?\\t%0, %2, %3"
@@ -704,9 +716,9 @@
;; 0 = 1 * 2 - 0
(define_insn "*mulsf3subsf_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (minus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "w")
- (match_operand:SF 3 "s_register_operand" "w"))
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (minus:SF (mult:SF (match_operand:SF 2 "s_register_operand" "t")
+ (match_operand:SF 3 "s_register_operand" "t"))
(match_operand:SF 1 "s_register_operand" "0")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fmscs%?\\t%0, %2, %3"
@@ -727,10 +739,10 @@
;; 0 = -(1 * 2) + 0
(define_insn "*mulsf3negsfaddsf_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
(minus:SF (match_operand:SF 1 "s_register_operand" "0")
- (mult:SF (match_operand:SF 2 "s_register_operand" "w")
- (match_operand:SF 3 "s_register_operand" "w"))))]
+ (mult:SF (match_operand:SF 2 "s_register_operand" "t")
+ (match_operand:SF 3 "s_register_operand" "t"))))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fnmacs%?\\t%0, %2, %3"
[(set_attr "predicable" "yes")
@@ -751,10 +763,10 @@
;; 0 = -(1 * 2) - 0
(define_insn "*mulsf3negsfsubsf_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
(minus:SF (mult:SF
- (neg:SF (match_operand:SF 2 "s_register_operand" "w"))
- (match_operand:SF 3 "s_register_operand" "w"))
+ (neg:SF (match_operand:SF 2 "s_register_operand" "t"))
+ (match_operand:SF 3 "s_register_operand" "t"))
(match_operand:SF 1 "s_register_operand" "0")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fnmscs%?\\t%0, %2, %3"
@@ -779,7 +791,7 @@
(define_insn "*extendsfdf2_vfp"
[(set (match_operand:DF 0 "s_register_operand" "=w")
- (float_extend:DF (match_operand:SF 1 "s_register_operand" "w")))]
+ (float_extend:DF (match_operand:SF 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fcvtds%?\\t%P0, %1"
[(set_attr "predicable" "yes")
@@ -787,7 +799,7 @@
)
(define_insn "*truncdfsf2_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
(float_truncate:SF (match_operand:DF 1 "s_register_operand" "w")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fcvtsd%?\\t%0, %P1"
@@ -796,8 +808,8 @@
)
(define_insn "*truncsisf2_vfp"
- [(set (match_operand:SI 0 "s_register_operand" "=w")
- (fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "w"))))]
+ [(set (match_operand:SI 0 "s_register_operand" "=t")
+ (fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "t"))))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"ftosizs%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -805,7 +817,7 @@
)
(define_insn "*truncsidf2_vfp"
- [(set (match_operand:SI 0 "s_register_operand" "=w")
+ [(set (match_operand:SI 0 "s_register_operand" "=t")
(fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "w"))))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"ftosizd%?\\t%0, %P1"
@@ -815,8 +827,8 @@
(define_insn "fixuns_truncsfsi2"
- [(set (match_operand:SI 0 "s_register_operand" "=w")
- (unsigned_fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "w"))))]
+ [(set (match_operand:SI 0 "s_register_operand" "=t")
+ (unsigned_fix:SI (fix:SF (match_operand:SF 1 "s_register_operand" "t"))))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"ftouizs%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -824,8 +836,8 @@
)
(define_insn "fixuns_truncdfsi2"
- [(set (match_operand:SI 0 "s_register_operand" "=w")
- (unsigned_fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "w"))))]
+ [(set (match_operand:SI 0 "s_register_operand" "=t")
+ (unsigned_fix:SI (fix:DF (match_operand:DF 1 "s_register_operand" "t"))))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"ftouizd%?\\t%0, %P1"
[(set_attr "predicable" "yes")
@@ -834,8 +846,8 @@
(define_insn "*floatsisf2_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (float:SF (match_operand:SI 1 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (float:SF (match_operand:SI 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fsitos%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -844,7 +856,7 @@
(define_insn "*floatsidf2_vfp"
[(set (match_operand:DF 0 "s_register_operand" "=w")
- (float:DF (match_operand:SI 1 "s_register_operand" "w")))]
+ (float:DF (match_operand:SI 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fsitod%?\\t%P0, %1"
[(set_attr "predicable" "yes")
@@ -853,8 +865,8 @@
(define_insn "floatunssisf2"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (unsigned_float:SF (match_operand:SI 1 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (unsigned_float:SF (match_operand:SI 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fuitos%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -863,7 +875,7 @@
(define_insn "floatunssidf2"
[(set (match_operand:DF 0 "s_register_operand" "=w")
- (unsigned_float:DF (match_operand:SI 1 "s_register_operand" "w")))]
+ (unsigned_float:DF (match_operand:SI 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fuitod%?\\t%P0, %1"
[(set_attr "predicable" "yes")
@@ -874,8 +886,8 @@
;; Sqrt insns.
(define_insn "*sqrtsf2_vfp"
- [(set (match_operand:SF 0 "s_register_operand" "=w")
- (sqrt:SF (match_operand:SF 1 "s_register_operand" "w")))]
+ [(set (match_operand:SF 0 "s_register_operand" "=t")
+ (sqrt:SF (match_operand:SF 1 "s_register_operand" "t")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"fsqrts%?\\t%0, %1"
[(set_attr "predicable" "yes")
@@ -905,8 +917,8 @@
(define_insn_and_split "*cmpsf_split_vfp"
[(set (reg:CCFP CC_REGNUM)
- (compare:CCFP (match_operand:SF 0 "s_register_operand" "w")
- (match_operand:SF 1 "vfp_compare_operand" "wG")))]
+ (compare:CCFP (match_operand:SF 0 "s_register_operand" "t")
+ (match_operand:SF 1 "vfp_compare_operand" "tG")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"#"
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
@@ -920,8 +932,8 @@
(define_insn_and_split "*cmpsf_trap_split_vfp"
[(set (reg:CCFPE CC_REGNUM)
- (compare:CCFPE (match_operand:SF 0 "s_register_operand" "w")
- (match_operand:SF 1 "vfp_compare_operand" "wG")))]
+ (compare:CCFPE (match_operand:SF 0 "s_register_operand" "t")
+ (match_operand:SF 1 "vfp_compare_operand" "tG")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"#"
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
@@ -968,8 +980,8 @@
(define_insn "*cmpsf_vfp"
[(set (reg:CCFP VFPCC_REGNUM)
- (compare:CCFP (match_operand:SF 0 "s_register_operand" "w,w")
- (match_operand:SF 1 "vfp_compare_operand" "w,G")))]
+ (compare:CCFP (match_operand:SF 0 "s_register_operand" "t,t")
+ (match_operand:SF 1 "vfp_compare_operand" "t,G")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"@
fcmps%?\\t%0, %1
@@ -980,8 +992,8 @@
(define_insn "*cmpsf_trap_vfp"
[(set (reg:CCFPE VFPCC_REGNUM)
- (compare:CCFPE (match_operand:SF 0 "s_register_operand" "w,w")
- (match_operand:SF 1 "vfp_compare_operand" "w,G")))]
+ (compare:CCFPE (match_operand:SF 0 "s_register_operand" "t,t")
+ (match_operand:SF 1 "vfp_compare_operand" "t,G")))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP"
"@
fcmpes%?\\t%0, %1
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