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authorH. Peter Anvin <hpa@linux.intel.com>2017-11-01 10:37:18 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2017-11-01 10:37:18 -0700
commitece809789eed9c488d19a2eb5704130ba6377cb9 (patch)
treebab0c9d9731169411f51d15f7e4290be99f39ad4
parent120819e73c33b316bfe02e2bacdd22108763a12b (diff)
parent9b7ee09abfd426b99aa1ea81d19a3b2818eeabf9 (diff)
downloadnasm-ece809789eed9c488d19a2eb5704130ba6377cb9.tar.gz
nasm-ece809789eed9c488d19a2eb5704130ba6377cb9.tar.xz
nasm-ece809789eed9c488d19a2eb5704130ba6377cb9.zip
Merge remote-tracking branch 'origin/nasm-2.13.xx'
Resolved conflicts: version Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
-rw-r--r--.gitignore9
-rw-r--r--asm/assemble.c21
-rw-r--r--asm/directiv.c3
-rw-r--r--asm/parser.c5
-rw-r--r--asm/preproc.c28
-rw-r--r--configure.ac25
-rw-r--r--include/nasmlib.h2
-rw-r--r--macros/smartalign.mac4
-rw-r--r--output/outelf.c2
-rw-r--r--output/outmacho.c27
-rw-r--r--test/Makefile5
-rw-r--r--test/br3392411.asm22
-rw-r--r--test/br3392418.asm3
-rw-r--r--test/br3392439.asm25
-rw-r--r--test/br3392442.asm6
-rw-r--r--test/pextrw.asm3
-rw-r--r--test/timesneg.asm3
-rw-r--r--x86/insns.dat10
18 files changed, 154 insertions, 49 deletions
diff --git a/.gitignore b/.gitignore
index 881ebb58..afdd62cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,15 @@
*.a
*.bin
+*.coff
*.dbg
+*.dep
*.exe
*.lib
*.i
+*.ith
*.lst
+*.mo32
+*.mo64
*.o
*.o64
*.obj
@@ -13,10 +18,14 @@
*.orig
*.out
*.pdb
+*.rdf
*.rej
*.s
+*.srec
*.si
*.swp
+*.win32
+*.win64
*.xml
.*swo
*~
diff --git a/asm/assemble.c b/asm/assemble.c
index 6d3e25ee..fc72065e 100644
--- a/asm/assemble.c
+++ b/asm/assemble.c
@@ -302,14 +302,6 @@ static void warn_overflow_const(int64_t data, int size)
warn_overflow(size);
}
-static void warn_overflow_opd(const struct operand *o, int size)
-{
- if (absolute_op(o)) {
- if (overflow_general(o->offset, size))
- warn_overflow(size);
- }
-}
-
static void warn_overflow_out(int64_t data, int size, enum out_sign sign)
{
bool err;
@@ -630,6 +622,9 @@ int64_t assemble(int32_t segment, int64_t start, int bits, insn *instruction)
size_t blk = 0; /* Buffered I/O block size */
size_t m = 0; /* Bytes last read */
+ if (!t)
+ goto done;
+
fp = nasm_open_read(fname, NF_BINARY|NF_FORMAP);
if (!fp) {
nasm_error(ERR_NONFATAL, "`incbin': unable to open file `%s'",
@@ -1603,21 +1598,14 @@ static void gencode(struct out_data *data, insn *ins)
break;
case4(020):
- if (opx->offset < -256 || opx->offset > 255)
- nasm_error(ERR_WARNING | ERR_PASS2 | ERR_WARN_NOV,
- "byte value exceeds bounds");
out_imm(data, opx, 1, OUT_WRAP);
break;
case4(024):
- if (opx->offset < 0 || opx->offset > 255)
- nasm_error(ERR_WARNING | ERR_PASS2 | ERR_WARN_NOV,
- "unsigned byte value exceeds bounds");
out_imm(data, opx, 1, OUT_UNSIGNED);
break;
case4(030):
- warn_overflow_opd(opx, 2);
out_imm(data, opx, 2, OUT_WRAP);
break;
@@ -1626,18 +1614,15 @@ static void gencode(struct out_data *data, insn *ins)
size = (opx->type & BITS16) ? 2 : 4;
else
size = (bits == 16) ? 2 : 4;
- warn_overflow_opd(opx, size);
out_imm(data, opx, size, OUT_WRAP);
break;
case4(040):
- warn_overflow_opd(opx, 4);
out_imm(data, opx, 4, OUT_WRAP);
break;
case4(044):
size = ins->addr_size >> 3;
- warn_overflow_opd(opx, size);
out_imm(data, opx, size, OUT_WRAP);
break;
diff --git a/asm/directiv.c b/asm/directiv.c
index 21f70e56..937f17af 100644
--- a/asm/directiv.c
+++ b/asm/directiv.c
@@ -230,7 +230,7 @@ bool process_directives(char *directive)
case D_SEGMENT: /* [SEGMENT n] */
case D_SECTION:
{
- int sb;
+ int sb = globalbits;
int32_t seg = ofmt->section(value, pass2, &sb);
if (seg == NO_SEG) {
@@ -239,6 +239,7 @@ bool process_directives(char *directive)
} else {
in_absolute = false;
location.segment = seg;
+ globalbits = sb;
}
break;
}
diff --git a/asm/parser.c b/asm/parser.c
index 62104e12..2ad37ceb 100644
--- a/asm/parser.c
+++ b/asm/parser.c
@@ -515,9 +515,8 @@ restart_parse:
result->times = 1L;
} else {
result->times = value->value;
- if (value->value < 0 && pass0 == 2) {
- nasm_error(ERR_NONFATAL, "TIMES value %"PRId64" is negative",
- value->value);
+ if (value->value < 0) {
+ nasm_error(ERR_NONFATAL|ERR_PASS2, "TIMES value %"PRId64" is negative", value->value);
result->times = 0;
}
}
diff --git a/asm/preproc.c b/asm/preproc.c
index a8388bcb..475926d8 100644
--- a/asm/preproc.c
+++ b/asm/preproc.c
@@ -948,7 +948,9 @@ static Token *tokenize(char *line)
case '\'':
case '\"':
case '`':
- p = nasm_skip_string(p - 1) + 1;
+ p = nasm_skip_string(p - 1);
+ if (*p)
+ p++;
break;
default:
break;
@@ -1252,7 +1254,8 @@ static char *detoken(Token * tlist, bool expand_locals)
int len = 0;
list_for_each(t, tlist) {
- if (t->type == TOK_PREPROC_ID && t->text[1] == '!') {
+ if (t->type == TOK_PREPROC_ID && t->text &&
+ t->text[0] && t->text[1] == '!') {
char *v;
char *q = t->text;
@@ -1936,9 +1939,11 @@ static bool if_condition(Token * tline, enum preproc_token ct)
nasm_error(ERR_NONFATAL,
"unable to parse parameter count `%s'",
tline->text);
- if (searching.nparam_min > searching.nparam_max)
+ if (searching.nparam_min > searching.nparam_max) {
nasm_error(ERR_NONFATAL,
"minimum parameter count exceeds maximum");
+ searching.nparam_max = searching.nparam_min;
+ }
}
}
if (tline && tok_is_(tline->next, "+")) {
@@ -2167,6 +2172,7 @@ static bool parse_mmacro_spec(Token *tline, MMacro *def, const char *directive)
}
if (def->nparam_min > def->nparam_max) {
nasm_error(ERR_NONFATAL, "minimum parameter count exceeds maximum");
+ def->nparam_max = def->nparam_min;
}
}
}
@@ -3709,6 +3715,8 @@ static int find_cc(Token * t)
return -1; /* Probably a %+ without a space */
skip_white_(t);
+ if (!t)
+ return -1;
if (t->type != TOK_ID)
return -1;
tt = t->next;
@@ -3841,8 +3849,8 @@ static bool paste_tokens(Token **head, const struct tokseq_match *m,
next = next->next;
}
- /* No match */
- if (tok == next)
+ /* No match or no text to process */
+ if (tok == next || len == 0)
break;
len += strlen(tok->text);
@@ -4425,6 +4433,16 @@ again:
ttt->text, 0);
ptail = &pt->next;
ttt = ttt->next;
+ if (!ttt && i > 0) {
+ /*
+ * FIXME: Need to handle more gracefully,
+ * exiting early on agruments analysis.
+ */
+ nasm_error(ERR_FATAL,
+ "macro `%s' expects %d args",
+ mstart->text,
+ (int)paramsize[t->type - TOK_SMAC_PARAM]);
+ }
}
tline = pcopy;
} else if (t->type == TOK_PREPROC_Q) {
diff --git a/configure.ac b/configure.ac
index 8ac4994f..7268eaaf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,14 +29,19 @@ dnl to either -O3 (normal) or -O0 (for debugging)
PA_ARG_DISABLED([optimization],
[compile without optimization (-O0) to help debugging],
[pa_optimize=-O0], [pa_optimize=-O3])
-AS_IF([test x"$pa_init_cflags" = x],
- [CFLAGS=`echo "$CFLAGS" | sed -e "s/-O2/$pa_optimize/"`])
dnl Compile and link with dwarf debug
PA_ARG_ENABLED([gdb],
[disable optimization and compile with extra debug information for GDB debugger],
- [CFLAGS=`echo "$CFLAGS" | sed -e "s/\(-O2\|-O3\)/-O0/"`
- PA_ADD_CLDFLAGS([-ggdb3])])
+ [pa_optimize='-O0'
+ PA_ADD_CFLAGS([-ggdb3])
+ ])
+
+AS_IF([test x"$pa_init_cflags" = x],
+ [CFLAGS=`echo "$CFLAGS" | sed -e "s/-O2/$pa_optimize/"`])
+
+AS_IF([test x"$pa_optimize" = "x-O0"],
+ [PA_ADD_CFLAGS([-fno-omit-frame-pointer])])
dnl Check for library extension
PA_LIBEXT
@@ -206,7 +211,7 @@ PA_FUNC_ATTRIBUTE(pure)
PA_FUNC_ATTRIBUTE_ERROR
dnl
-dnl support function sections
+dnl support function sections (if available)
dnl
PA_ARG_ENABLED([sections],
[compile with function/data section support],
@@ -214,6 +219,7 @@ PA_ARG_ENABLED([sections],
PA_ADD_CLDFLAGS([-fdata-sections])
PA_ADD_CLDFLAGS([-Wl,--gc-sections])],
[])
+
dnl
dnl support LTO
dnl
@@ -228,6 +234,15 @@ PA_ARG_ENABLED([lto],
AC_CHECK_PROGS(CC_RANLIB, [${ccbase}-ranlib], [$ac_cv_prog_RANLIB])
RANLIB="$CC_RANLIB"], [])
+dnl
+dnl support sanitizers (if available)
+dnl
+PA_ARG_ENABLED([sanitizer],
+ [compile with sanitizers enabled],
+ [PA_ADD_CFLAGS([-fno-omit-frame-pointer])
+ PA_ADD_CLDFLAGS([-fsanitize=address])
+ PA_ADD_CLDFLAGS([-fsanitize=undefined])])
+
dnl If we have gcc, add appropriate code cleanliness options
PA_ADD_CFLAGS([-W])
PA_ADD_CFLAGS([-Wall])
diff --git a/include/nasmlib.h b/include/nasmlib.h
index f0a670be..8ea17503 100644
--- a/include/nasmlib.h
+++ b/include/nasmlib.h
@@ -366,7 +366,7 @@ static inline bool const_func overflow_general(int64_t value, int bytes)
sbit = (bytes << 3) - 1;
vmax = ((int64_t)2 << sbit) - 1;
- vmin = -((int64_t)1 << sbit);
+ vmin = -((int64_t)2 << sbit);
return value < vmin || value > vmax;
}
diff --git a/macros/smartalign.mac b/macros/smartalign.mac
index e5c0b99a..0f81ae87 100644
--- a/macros/smartalign.mac
+++ b/macros/smartalign.mac
@@ -1,6 +1,6 @@
;; --------------------------------------------------------------------------
;;
-;; Copyright 1996-2016 The NASM Authors - All Rights Reserved
+;; Copyright 1996-2017 The NASM Authors - All Rights Reserved
;; See the file AUTHORS included with the NASM distribution for
;; the specific copyright holders.
;;
@@ -173,7 +173,6 @@ USE: smartalign
jmp %$end
; We can't re-use %$pad here as $ will have changed!
times (((%1) - (($-$$) % (%1))) % (%1)) nop
-%$end:
%else
times (%$pad / __ALIGN_%[__BITS__]BIT_GROUP__) \
db __ALIGN_%[__BITS__]BIT_%[__ALIGN_%[__BITS__]BIT_GROUP__]B__
@@ -182,6 +181,7 @@ USE: smartalign
db __ALIGN_%[__BITS__]BIT_%[%$pad]B__
%endif
%endif
+%$end:
%pop
%endif
%endmacro
diff --git a/output/outelf.c b/output/outelf.c
index b786989d..6d0ce56f 100644
--- a/output/outelf.c
+++ b/output/outelf.c
@@ -3163,6 +3163,8 @@ static void dwarf_generate(void)
saa_write8(pabbrev,DW_AT_frame_base);
saa_write8(pabbrev,DW_FORM_data4);
saa_write16(pabbrev,0); /* end of entry */
+ /* Terminal zero entry */
+ saa_write8(pabbrev,0);
abbrevlen = saalen = pabbrev->datalen;
abbrevbuf = pbuf = nasm_malloc(saalen);
saa_rnbytes(pabbrev, pbuf, saalen);
diff --git a/output/outmacho.c b/output/outmacho.c
index d3a1d84d..4aefe3f3 100644
--- a/output/outmacho.c
+++ b/output/outmacho.c
@@ -288,10 +288,16 @@ static uint64_t seg_vmsize = 0;
static uint32_t seg_nsects = 0;
static uint64_t rel_padcnt = 0;
-#define xstrncpy(xdst, xsrc) \
- memset(xdst, '\0', sizeof(xdst)); /* zero out whole buffer */ \
- strncpy(xdst, xsrc, sizeof(xdst)); /* copy over string */ \
- xdst[sizeof(xdst) - 1] = '\0'; /* proper null-termination */
+/*
+ * Functions for handling fixed-length zero-padded string
+ * fields, that may or may not be null-terminated.
+ */
+
+/* Copy a string into a zero-padded fixed-length field */
+#define xstrncpy(xdst, xsrc) strncpy(xdst, xsrc, sizeof(xdst))
+
+/* Compare a fixed-length field with a string */
+#define xstrncmp(xdst, xsrc) strncmp(xdst, xsrc, sizeof(xdst))
#define alignint32_t(x) \
ALIGN(x, sizeof(int32_t)) /* align x to int32_t boundary */
@@ -308,7 +314,7 @@ static struct section *get_section_by_name(const char *segname,
struct section *s;
for (s = sects; s != NULL; s = s->next)
- if (!strcmp(s->segname, segname) && !strcmp(s->sectname, sectname))
+ if (!xstrncmp(s->segname, segname) && !xstrncmp(s->sectname, sectname))
break;
return s;
@@ -806,6 +812,7 @@ static const struct sect_attribs {
{ "no_dead_strip", NO_TYPE|S_ATTR_NO_DEAD_STRIP },
{ "live_support", NO_TYPE|S_ATTR_LIVE_SUPPORT },
{ "strip_static_syms", NO_TYPE|S_ATTR_STRIP_STATIC_SYMS },
+ { "debug", NO_TYPE|S_ATTR_DEBUG },
{ NULL, 0 }
};
@@ -848,14 +855,14 @@ static int32_t macho_section(char *name, int pass, int *bits)
len = strlen(segment);
if (len == 0) {
nasm_error(ERR_NONFATAL, "empty segment name\n");
- } else if (len >= 16) {
+ } else if (len > 16) {
nasm_error(ERR_NONFATAL, "segment name %s too long\n", segment);
}
len = strlen(section);
if (len == 0) {
nasm_error(ERR_NONFATAL, "empty section name\n");
- } else if (len >= 16) {
+ } else if (len > 16) {
nasm_error(ERR_NONFATAL, "section name %s too long\n", section);
}
@@ -1321,8 +1328,8 @@ static uint32_t macho_write_segment (uint64_t offset)
s->flags |= S_ATTR_LOC_RELOC;
if (s->extreloc)
s->flags |= S_ATTR_EXT_RELOC;
- } else if (!strcmp(s->segname, "__DATA") &&
- !strcmp(s->sectname, "__const") &&
+ } else if (!xstrncmp(s->segname, "__DATA") &&
+ !xstrncmp(s->sectname, "__const") &&
!s->by_name &&
!get_section_by_name("__TEXT", "__const")) {
/*
@@ -2040,6 +2047,8 @@ static void macho_dbg_generate(void)
saa_write16(p_abbrev, DW_END_default);
+ saa_write8(p_abbrev, 0); /* Terminal zero entry */
+
saa_len = p_abbrev->datalen;
p_buf = nasm_malloc(saa_len);
diff --git a/test/Makefile b/test/Makefile
index 7a6dfe24..ebd8c3f3 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -29,6 +29,9 @@ $(NASM):
%.obj: %.asm $(NASMDEP)
$(NASM) $(NASMOPT) -f obj -o $@ -MD $@.dep -l $*.lst $<
+%.rdf: %.asm $(NASMDEP)
+ $(NASM) $(NASMOPT) -f rdf -o $@ -MD $@.dep -l $*.lst $<
+
%.od: %.obj ../misc/omfdump
../misc/omfdump $< > $@
@@ -69,7 +72,7 @@ diff: performtest.pl $(NASMDEP) $(TESTS)
clean:
$(RM_F) *.com *.o *.o64 *.obj *.win32 *.win64 *.exe *.lst *.bin
- $(RM_F) *.dbg *.coff *.ith *.srec *.mo32 *.mo64 *.i *.dep
+ $(RM_F) *.dbg *.coff *.ith *.srec *.mo32 *.mo64 *.i *.dep *.rdf
$(RM_RF) testresults
$(RM_F) elftest elftest64
diff --git a/test/br3392411.asm b/test/br3392411.asm
new file mode 100644
index 00000000..02071a88
--- /dev/null
+++ b/test/br3392411.asm
@@ -0,0 +1,22 @@
+bits 64
+default rel
+
+%use smartalign
+
+section .text code align=32
+
+align 32
+
+nop
+jz LDone
+
+%rep 10
+ nop
+%endrep
+
+align 16
+%rep 115
+ nop
+%endrep
+
+LDone:
diff --git a/test/br3392418.asm b/test/br3392418.asm
new file mode 100644
index 00000000..7139870d
--- /dev/null
+++ b/test/br3392418.asm
@@ -0,0 +1,3 @@
+ section __LD,__compact_unwind data debug
+
+ dd 0
diff --git a/test/br3392439.asm b/test/br3392439.asm
new file mode 100644
index 00000000..1af47084
--- /dev/null
+++ b/test/br3392439.asm
@@ -0,0 +1,25 @@
+segment _TEXT class=CODE USE32 align=1 CPU=686
+
+extern _entry
+
+start:
+ mov ax, 0x18
+ mov ds, ax
+ mov es, ax
+ mov ss, ax
+ xor eax, eax
+ mov ax, 0x1234
+ shl eax, 4
+ add eax, 0x3000
+ mov esp, [eax]
+
+ call _entry
+
+.infloop:
+ hlt
+ jmp .infloop
+
+
+global _ret_16
+_ret_16:
+ jmp dword 0x10:0x8000
diff --git a/test/br3392442.asm b/test/br3392442.asm
new file mode 100644
index 00000000..e7a0511c
--- /dev/null
+++ b/test/br3392442.asm
@@ -0,0 +1,6 @@
+ ;; Bug report 3392442: invalid warning
+
+ and byte [0], ~80h
+ and byte [0], 0xfff
+ and byte [0], -256
+ and byte [0], -257
diff --git a/test/pextrw.asm b/test/pextrw.asm
new file mode 100644
index 00000000..41c50b7a
--- /dev/null
+++ b/test/pextrw.asm
@@ -0,0 +1,3 @@
+ bits 64
+
+ pextrw rax,xmm0,0
diff --git a/test/timesneg.asm b/test/timesneg.asm
new file mode 100644
index 00000000..9f16dbaa
--- /dev/null
+++ b/test/timesneg.asm
@@ -0,0 +1,3 @@
+ bits 32
+ times -1 db 0
+ times -1 incbin "timesneg.asm"
diff --git a/x86/insns.dat b/x86/insns.dat
index 1ed79f7a..b5c723b0 100644
--- a/x86/insns.dat
+++ b/x86/insns.dat
@@ -1703,8 +1703,10 @@ PCMPGTB xmmreg,xmmrm [rm: 66 0f 64 /r] WILLAMETTE,SSE2,SO
PCMPGTW xmmreg,xmmrm [rm: 66 0f 65 /r] WILLAMETTE,SSE2,SO
PCMPGTD xmmreg,xmmrm [rm: 66 0f 66 /r] WILLAMETTE,SSE2,SO
PEXTRW reg32,xmmreg,imm [rmi: 66 0f c5 /r ib,u] WILLAMETTE,SSE2,SB,AR2
+PEXTRW reg64,xmmreg,imm [rmi: 66 0f c5 /r ib,u] X64,SSE2,SB,AR2,ND
PINSRW xmmreg,reg16,imm [rmi: 66 0f c4 /r ib,u] WILLAMETTE,SSE2,SB,AR2
PINSRW xmmreg,reg32,imm [rmi: 66 0f c4 /r ib,u] WILLAMETTE,SSE2,SB,AR2,ND
+PINSRW xmmreg,reg64,imm [rmi: 66 0f c4 /r ib,u] X64,SSE2,SB,AR2,ND
PINSRW xmmreg,mem,imm [rmi: 66 0f c4 /r ib,u] WILLAMETTE,SSE2,SB,AR2
PINSRW xmmreg,mem16,imm [rmi: 66 0f c4 /r ib,u] WILLAMETTE,SSE2,SB,AR2
PMADDWD xmmreg,xmmrm [rm: 66 0f f5 /r] WILLAMETTE,SSE2,SO
@@ -1957,8 +1959,8 @@ PBLENDW xmmreg,xmmrm,imm [rmi: 66 0f 3a 0e /r ib,u] SSE41
PCMPEQQ xmmreg,xmmrm [rm: 66 0f 38 29 /r] SSE41
PEXTRB reg32,xmmreg,imm [mri: 66 0f 3a 14 /r ib,u] SSE41
PEXTRB mem8,xmmreg,imm [mri: 66 0f 3a 14 /r ib,u] SSE41
-PEXTRB reg64,xmmreg,imm [mri: o64 66 0f 3a 14 /r ib,u] SSE41,X64
-PEXTRD rm32,xmmreg,imm [mri: norexw 66 0f 3a 16 /r ib,u] SSE41
+PEXTRB reg64,xmmreg,imm [mri: o64nw 66 0f 3a 14 /r ib,u] SSE41,X64
+PEXTRD rm32,xmmreg,imm [mri: norexw 66 0f 3a 16 /r ib,u] SSE41
PEXTRQ rm64,xmmreg,imm [mri: o64 66 0f 3a 16 /r ib,u] SSE41,X64
PEXTRW reg32,xmmreg,imm [mri: 66 0f 3a 15 /r ib,u] SSE41
PEXTRW mem16,xmmreg,imm [mri: 66 0f 3a 15 /r ib,u] SSE41
@@ -1967,8 +1969,8 @@ PHMINPOSUW xmmreg,xmmrm [rm: 66 0f 38 41 /r] SSE41
PINSRB xmmreg,mem,imm [rmi: 66 0f 3a 20 /r ib,u] SSE41,SB,AR2
PINSRB xmmreg,rm8,imm [rmi: nohi 66 0f 3a 20 /r ib,u] SSE41,SB,AR2
PINSRB xmmreg,reg32,imm [rmi: 66 0f 3a 20 /r ib,u] SSE41,SB,AR2
-PINSRD xmmreg,mem,imm [rmi: norexw 66 0f 3a 22 /r ib,u] SSE41,SB,AR2
-PINSRD xmmreg,rm32,imm [rmi: norexw 66 0f 3a 22 /r ib,u] SSE41,SB,AR2
+PINSRD xmmreg,mem,imm [rmi: norexw 66 0f 3a 22 /r ib,u] SSE41,SB,AR2
+PINSRD xmmreg,rm32,imm [rmi: norexw 66 0f 3a 22 /r ib,u] SSE41,SB,AR2
PINSRQ xmmreg,mem,imm [rmi: o64 66 0f 3a 22 /r ib,u] SSE41,X64,SB,AR2
PINSRQ xmmreg,rm64,imm [rmi: o64 66 0f 3a 22 /r ib,u] SSE41,X64,SB,AR2
PMAXSB xmmreg,xmmrm [rm: 66 0f 38 3c /r] SSE41