diff options
Diffstat (limited to 'gas/config/tc-i386.c')
| -rw-r--r-- | gas/config/tc-i386.c | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 42a95ff..62486ec 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -591,8 +591,18 @@ static const arch_entry cpu_arch[] = CPU_K8_FLAGS }, { "amdfam10", PROCESSOR_AMDFAM10, CPU_AMDFAM10_FLAGS }, + { ".8087", PROCESSOR_UNKNOWN, + CPU_8087_FLAGS }, + { ".287", PROCESSOR_UNKNOWN, + CPU_287_FLAGS }, + { ".387", PROCESSOR_UNKNOWN, + CPU_387_FLAGS }, + { ".no87", PROCESSOR_UNKNOWN, + CPU_ANY87_FLAGS }, { ".mmx", PROCESSOR_UNKNOWN, CPU_MMX_FLAGS }, + { ".nommx", PROCESSOR_UNKNOWN, + CPU_3DNOWA_FLAGS }, { ".sse", PROCESSOR_UNKNOWN, CPU_SSE_FLAGS }, { ".sse2", PROCESSOR_UNKNOWN, @@ -607,8 +617,12 @@ static const arch_entry cpu_arch[] = CPU_SSE4_2_FLAGS }, { ".sse4", PROCESSOR_UNKNOWN, CPU_SSE4_2_FLAGS }, + { ".nosse", PROCESSOR_UNKNOWN, + CPU_ANY_SSE_FLAGS }, { ".avx", PROCESSOR_UNKNOWN, CPU_AVX_FLAGS }, + { ".noavx", PROCESSOR_UNKNOWN, + CPU_ANY_AVX_FLAGS }, { ".vmx", PROCESSOR_UNKNOWN, CPU_VMX_FLAGS }, { ".smx", PROCESSOR_UNKNOWN, @@ -1236,6 +1250,24 @@ cpu_flags_or (i386_cpu_flags x, i386_cpu_flags y) return x; } +static INLINE i386_cpu_flags +cpu_flags_and_not (i386_cpu_flags x, i386_cpu_flags y) +{ + switch (ARRAY_SIZE (x.array)) + { + case 3: + x.array [2] &= ~y.array [2]; + case 2: + x.array [1] &= ~y.array [1]; + case 1: + x.array [0] &= ~y.array [0]; + break; + default: + abort (); + } + return x; +} + #define CPU_FLAGS_ARCH_MATCH 0x1 #define CPU_FLAGS_64BIT_MATCH 0x2 #define CPU_FLAGS_AES_MATCH 0x4 @@ -1964,8 +1996,12 @@ set_cpu_arch (int dummy ATTRIBUTE_UNUSED) break; } - flags = cpu_flags_or (cpu_arch_flags, - cpu_arch[i].flags); + if (strncmp (string + 1, "no", 2)) + flags = cpu_flags_or (cpu_arch_flags, + cpu_arch[i].flags); + else + flags = cpu_flags_and_not (cpu_arch_flags, + cpu_arch[i].flags); if (!cpu_flags_equal (&flags, &cpu_arch_flags)) { if (cpu_sub_arch_name) @@ -7484,6 +7520,12 @@ parse_real_register (char *reg_string, char **end_op) && !cpu_arch_flags.bitfield.cpui386) return (const reg_entry *) NULL; + if (r->reg_type.bitfield.floatreg + && !cpu_arch_flags.bitfield.cpu8087 + && !cpu_arch_flags.bitfield.cpu287 + && !cpu_arch_flags.bitfield.cpu387) + return (const reg_entry *) NULL; + if (r->reg_type.bitfield.regmmx && !cpu_arch_flags.bitfield.cpummx) return (const reg_entry *) NULL; @@ -7759,8 +7801,13 @@ md_parse_option (int c, char *arg) { /* ISA entension. */ i386_cpu_flags flags; - flags = cpu_flags_or (cpu_arch_flags, - cpu_arch[i].flags); + + if (strncmp (arch, "no", 2)) + flags = cpu_flags_or (cpu_arch_flags, + cpu_arch[i].flags); + else + flags = cpu_flags_and_not (cpu_arch_flags, + cpu_arch[i].flags); if (!cpu_flags_equal (&flags, &cpu_arch_flags)) { if (cpu_sub_arch_name) @@ -7892,8 +7939,9 @@ md_show_usage (stream) core, core2, corei7, k6, k6_2, athlon, k8, amdfam10,\n\ generic32, generic64\n\ EXTENSION is combination of:\n\ - mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, sse4,\n\ - avx, vmx, smx, xsave, movbe, ept, aes, pclmul, fma,\n\ + 8087, 287, 387, no87, mmx, nommx, sse, sse2, sse3,\n\ + ssse3, sse4.1, sse4.2, sse4, nosse, avx, noavx,\n\ + vmx, smx, xsave, movbe, ept, aes, pclmul, fma,\n\ clflush, syscall, rdtscp, 3dnow, 3dnowa, sse4a,\n\ svme, abm, padlock, fma4\n")); fprintf (stream, _("\ |