diff options
author | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2012-08-24 08:06:36 +0000 |
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committer | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2012-08-24 08:06:36 +0000 |
commit | 33399f071c6c3cf9877a22eeea94767dacef757b (patch) | |
tree | 473a67a514ec5915d97ed05de66b3e3218300b5b | |
parent | 9eb6c0f132631312886f7084d96448e46a053fb8 (diff) | |
download | gdb-33399f071c6c3cf9877a22eeea94767dacef757b.zip gdb-33399f071c6c3cf9877a22eeea94767dacef757b.tar.gz gdb-33399f071c6c3cf9877a22eeea94767dacef757b.tar.bz2 |
* gas/config/tc-arm.c (NEON_ENC_TAB): Add entries for VSEL.
(NEON_ENC_FPV8_): New define.
(do_vfp_nsyn_fpv8): New function.
(do_vsel): Likewise.
(insns): Add VSEL instructions.
* gas/testsuite/gas/arm/armv8-a+fp.d: New testcase.
* gas/testsuite/gas/arm/armv8-a+fp.s: Likewise.
* opcodes/arm-dis.c (coprocessor_opcodes): Add VSEL.
(print_insn_coprocessor): Add new %<>c bitfield format
specifier.
-rw-r--r-- | gas/ChangeLog | 8 | ||||
-rw-r--r-- | gas/config/tc-arm.c | 46 | ||||
-rw-r--r-- | gas/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/armv8-a+fp.d | 22 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/armv8-a+fp.s | 24 | ||||
-rw-r--r-- | opcodes/ChangeLog | 6 | ||||
-rw-r--r-- | opcodes/arm-dis.c | 30 |
7 files changed, 140 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 4e83377..f717360 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,13 @@ 2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * config/tc-arm.c (NEON_ENC_TAB): Add entries for VSEL. + (NEON_ENC_FPV8_): New define. + (do_vfp_nsyn_fpv8): New function. + (do_vsel): Likewise. + (insns): Add VSEL instructions. + +2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * config/tc-arm.c (do_rm_rn): New function. (do_strlex): Likewise. (do_t_strlex): Likewise. diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 93542e3..5612d7e 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -12341,7 +12341,11 @@ struct neon_tab_entry X(vcmp, 0xeb40a40, 0xeb40b40, N_INV), \ X(vcmpz, 0xeb50a40, 0xeb50b40, N_INV), \ X(vcmpe, 0xeb40ac0, 0xeb40bc0, N_INV), \ - X(vcmpez, 0xeb50ac0, 0xeb50bc0, N_INV) + X(vcmpez, 0xeb50ac0, 0xeb50bc0, N_INV), \ + X(vseleq, 0xe000a00, N_INV, N_INV), \ + X(vselvs, 0xe100a00, N_INV, N_INV), \ + X(vselge, 0xe200a00, N_INV, N_INV), \ + X(vselgt, 0xe300a00, N_INV, N_INV) enum neon_opc { @@ -12371,6 +12375,8 @@ NEON_ENC_TAB ((neon_enc_tab[(X) & 0x0fffffff].integer) | ((X) & 0xf0000000)) #define NEON_ENC_DOUBLE_(X) \ ((neon_enc_tab[(X) & 0x0fffffff].float_or_poly) | ((X) & 0xf0000000)) +#define NEON_ENC_FPV8_(X) \ + ((neon_enc_tab[(X) & 0x0fffffff].integer) | ((X) & 0xf000000)) #define NEON_ENCODE(type, inst) \ do \ @@ -15841,6 +15847,33 @@ do_neon_ldx_stx (void) else inst.instruction |= 0xf4000000; } + +/* FP v8. */ +static void +do_vfp_nsyn_fpv8 (enum neon_shape rs) +{ + NEON_ENCODE (FPV8, inst); + + if (rs == NS_FFF) + do_vfp_sp_dyadic (); + else + do_vfp_dp_rd_rn_rm (); + + if (rs == NS_DDD) + inst.instruction |= 0x100; + + inst.instruction |= 0xf0000000; +} + +static void +do_vsel (void) +{ + set_it_insn_type (OUTSIDE_IT_INSN); + + if (try_vfp_nsyn (3, do_vfp_nsyn_fpv8) != SUCCESS) + first_error (_("invalid instruction shape")); +} + /* Overall per-instruction processing. */ @@ -18044,6 +18077,17 @@ static const struct asm_opcode insns[] = TUF("dcps2", 0, f78f8002, 0, (), noargs, noargs), TUF("dcps3", 0, f78f8003, 0, (), noargs, noargs), + /* FP for ARMv8. */ +#undef ARM_VARIANT +#define ARM_VARIANT & fpu_vfp_ext_armv8 +#undef THUMB_VARIANT +#define THUMB_VARIANT & fpu_vfp_ext_armv8 + + nUF(vseleq, _vseleq, 3, (RVSD, RVSD, RVSD), vsel), + nUF(vselvs, _vselvs, 3, (RVSD, RVSD, RVSD), vsel), + nUF(vselge, _vselge, 3, (RVSD, RVSD, RVSD), vsel), + nUF(vselgt, _vselgt, 3, (RVSD, RVSD, RVSD), vsel), + #undef ARM_VARIANT #define ARM_VARIANT & fpu_fpa_ext_v1 /* Core FPA instruction set (V1). */ #undef THUMB_VARIANT diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index e0ca1a8..f6f111f 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * gas/arm/armv8-a+fp.d: New testcase. + * gas/arm/armv8-a+fp.s: Likewise. + +2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * gas/arm/armv8-a-bad.l: Update testcase. * gas/arm/armv8-a-bad.s: Likewise. * gas/arm/armv8-a.d: Likewise. diff --git a/gas/testsuite/gas/arm/armv8-a+fp.d b/gas/testsuite/gas/arm/armv8-a+fp.d new file mode 100644 index 0000000..568d317 --- /dev/null +++ b/gas/testsuite/gas/arm/armv8-a+fp.d @@ -0,0 +1,22 @@ +#name: Valid v8-a+fp +#objdump: -dr --prefix-addresses --show-raw-insn + +.*: +file format .*arm.* + +Disassembly of section .text: +0[0-9a-f]+ <[^>]+> fe000a00 vseleq.f32 s0, s0, s0 +0[0-9a-f]+ <[^>]+> fe500aa0 vselvs.f32 s1, s1, s1 +0[0-9a-f]+ <[^>]+> fe2ffa0f vselge.f32 s30, s30, s30 +0[0-9a-f]+ <[^>]+> fe7ffaaf vselgt.f32 s31, s31, s31 +0[0-9a-f]+ <[^>]+> fe000b00 vseleq.f64 d0, d0, d0 +0[0-9a-f]+ <[^>]+> fe500ba0 vselvs.f64 d16, d16, d16 +0[0-9a-f]+ <[^>]+> fe2ffb0f vselge.f64 d15, d15, d15 +0[0-9a-f]+ <[^>]+> fe7ffbaf vselgt.f64 d31, d31, d31 +0[0-9a-f]+ <[^>]+> fe00 0a00 vseleq.f32 s0, s0, s0 +0[0-9a-f]+ <[^>]+> fe50 0aa0 vselvs.f32 s1, s1, s1 +0[0-9a-f]+ <[^>]+> fe2f fa0f vselge.f32 s30, s30, s30 +0[0-9a-f]+ <[^>]+> fe7f faaf vselgt.f32 s31, s31, s31 +0[0-9a-f]+ <[^>]+> fe00 0b00 vseleq.f64 d0, d0, d0 +0[0-9a-f]+ <[^>]+> fe50 0ba0 vselvs.f64 d16, d16, d16 +0[0-9a-f]+ <[^>]+> fe2f fb0f vselge.f64 d15, d15, d15 +0[0-9a-f]+ <[^>]+> fe7f fbaf vselgt.f64 d31, d31, d31 diff --git a/gas/testsuite/gas/arm/armv8-a+fp.s b/gas/testsuite/gas/arm/armv8-a+fp.s new file mode 100644 index 0000000..ec79f99 --- /dev/null +++ b/gas/testsuite/gas/arm/armv8-a+fp.s @@ -0,0 +1,24 @@ + .syntax unified + .text + .arch armv8-a + .arch_extension fp + + .arm + vseleq.f32 s0, s0, s0 + vselvs.f32 s1, s1, s1 + vselge.f32 s30, s30, s30 + vselgt.f32 s31, s31, s31 + vseleq.f64 d0, d0, d0 + vselvs.f64 d16, d16, d16 + vselge.f64 d15, d15, d15 + vselgt.f64 d31, d31, d31 + + .thumb + vseleq.f32 s0, s0, s0 + vselvs.f32 s1, s1, s1 + vselge.f32 s30, s30, s30 + vselgt.f32 s31, s31, s31 + vseleq.f64 d0, d0, d0 + vselvs.f64 d16, d16, d16 + vselge.f64 d15, d15, d15 + vselgt.f64 d31, d31, d31 diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 29b9391..3d5e26e 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,11 @@ 2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * arm-dis.c (coprocessor_opcodes): Add VSEL. + (print_insn_coprocessor): Add new %<>c bitfield format + specifier. + +2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com> + * arm-dis.c (arm_opcodes): Add LDRA/STRL instructions. (thumb32_opcodes): Likewise. (print_arm_insn): Add support for %<>T formatter. diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c index 9bc466c..2e4b333 100644 --- a/opcodes/arm-dis.c +++ b/opcodes/arm-dis.c @@ -102,6 +102,7 @@ struct opcode16 %Q print floating point precision in ldf/stf insn %R print floating point rounding mode + %<bitfield>c print as a condition code (for vsel) %<bitfield>r print as an ARM register %<bitfield>R as %<>r but r15 is UNPREDICTABLE %<bitfield>ru as %<>r but each u register must be unique. @@ -486,6 +487,10 @@ static const struct opcode32 coprocessor_opcodes[] = {FPU_VFP_EXT_FMA, 0x0e900a00, 0x0fb00f50, "vfnms%c.f32\t%y1, %y2, %y0"}, {FPU_VFP_EXT_FMA, 0x0e900b00, 0x0fb00f50, "vfnms%c.f64\t%z1, %z2, %z0"}, + /* FP v5. */ + {FPU_VFP_EXT_ARMV8, 0xfe000a00, 0xff800f00, "vsel%20-21c%u.f32\t%y1, %y2, %y0"}, + {FPU_VFP_EXT_ARMV8, 0xfe000b00, 0xff800f00, "vsel%20-21c%u.f64\t%z1, %z2, %z0"}, + /* Generic coprocessor instructions. */ { 0, SENTINEL_GENERIC_START, 0, "" }, {ARM_EXT_V5E, 0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15R, %16-19r, cr%0-3d"}, @@ -2198,6 +2203,31 @@ print_insn_coprocessor (bfd_vma pc, func (stream, "0x%lx", (value & 0xffffffffUL)); break; + case 'c': + switch (value) + { + case 0: + func (stream, "eq"); + break; + + case 1: + func (stream, "vs"); + break; + + case 2: + func (stream, "ge"); + break; + + case 3: + func (stream, "gt"); + break; + + default: + func (stream, "??"); + break; + } + break; + case '`': c++; if (value == 0) |