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Fix the operand ordering on aliases for shld and shrd. PR12173, part 2.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152136 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2012-03-06 19:58:46 +00:00
parent f0a68131de
commit 54427e5219
2 changed files with 32 additions and 24 deletions
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24
lib/Target/X86/X86InstrInfo.td
View File

@ -1856,19 +1856,19 @@ def : InstAlias<"outl $port", (OUT32ir i8imm:$port)>;
def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>;
// shld/shrd op,op -> shld op, op, CL
def : InstAlias<"shldw $r1, $r2", (SHLD16rrCL GR16:$r1, GR16:$r2)>;
def : InstAlias<"shldl $r1, $r2", (SHLD32rrCL GR32:$r1, GR32:$r2)>;
def : InstAlias<"shldq $r1, $r2", (SHLD64rrCL GR64:$r1, GR64:$r2)>;
def : InstAlias<"shrdw $r1, $r2", (SHRD16rrCL GR16:$r1, GR16:$r2)>;
def : InstAlias<"shrdl $r1, $r2", (SHRD32rrCL GR32:$r1, GR32:$r2)>;
def : InstAlias<"shrdq $r1, $r2", (SHRD64rrCL GR64:$r1, GR64:$r2)>;
def : InstAlias<"shldw $r2, $r1", (SHLD16rrCL GR16:$r1, GR16:$r2)>;
def : InstAlias<"shldl $r2, $r1", (SHLD32rrCL GR32:$r1, GR32:$r2)>;
def : InstAlias<"shldq $r2, $r1", (SHLD64rrCL GR64:$r1, GR64:$r2)>;
def : InstAlias<"shrdw $r2, $r1", (SHRD16rrCL GR16:$r1, GR16:$r2)>;
def : InstAlias<"shrdl $r2, $r1", (SHRD32rrCL GR32:$r1, GR32:$r2)>;
def : InstAlias<"shrdq $r2, $r1", (SHRD64rrCL GR64:$r1, GR64:$r2)>;
def : InstAlias<"shldw $mem, $reg", (SHLD16mrCL i16mem:$mem, GR16:$reg)>;
def : InstAlias<"shldl $mem, $reg", (SHLD32mrCL i32mem:$mem, GR32:$reg)>;
def : InstAlias<"shldq $mem, $reg", (SHLD64mrCL i64mem:$mem, GR64:$reg)>;
def : InstAlias<"shrdw $mem, $reg", (SHRD16mrCL i16mem:$mem, GR16:$reg)>;
def : InstAlias<"shrdl $mem, $reg", (SHRD32mrCL i32mem:$mem, GR32:$reg)>;
def : InstAlias<"shrdq $mem, $reg", (SHRD64mrCL i64mem:$mem, GR64:$reg)>;
def : InstAlias<"shldw $reg, $mem", (SHLD16mrCL i16mem:$mem, GR16:$reg)>;
def : InstAlias<"shldl $reg, $mem", (SHLD32mrCL i32mem:$mem, GR32:$reg)>;
def : InstAlias<"shldq $reg, $mem", (SHLD64mrCL i64mem:$mem, GR64:$reg)>;
def : InstAlias<"shrdw $reg, $mem", (SHRD16mrCL i16mem:$mem, GR16:$reg)>;
def : InstAlias<"shrdl $reg, $mem", (SHRD32mrCL i32mem:$mem, GR32:$reg)>;
def : InstAlias<"shrdq $reg, $mem", (SHRD64mrCL i64mem:$mem, GR64:$reg)>;
/* FIXME: This is disabled because the asm matcher is currently incapable of
* matching a fixed immediate like $1.

32
test/MC/X86/x86-64.s
View File

@ -340,19 +340,27 @@ rclb $2, %bl // CHECK: rclb $2, %bl # encoding: [0xc0,0xd3,0x02]
// rdar://8418316
// PR12173
// CHECK: shldw %cl, %bx, %bx
// CHECK: shldw %cl, %bx, %bx
// CHECK: shldw $1, %bx, %bx
// CHECK: shrdw %cl, %bx, %bx
// CHECK: shrdw %cl, %bx, %bx
// CHECK: shrdw $1, %bx, %bx
// CHECK: shldw %cl, %bx, %dx
// CHECK: shldw %cl, %bx, %dx
// CHECK: shldw $1, %bx, %dx
// CHECK: shldw %cl, %bx, (%rax)
// CHECK: shldw %cl, %bx, (%rax)
// CHECK: shrdw %cl, %bx, %dx
// CHECK: shrdw %cl, %bx, %dx
// CHECK: shrdw $1, %bx, %dx
// CHECK: shrdw %cl, %bx, (%rax)
// CHECK: shrdw %cl, %bx, (%rax)
shld %bx, %bx
shld %cl, %bx, %bx
shld $1, %bx, %bx
shrd %bx, %bx
shrd %cl, %bx, %bx
shrd $1, %bx, %bx
shld %bx, %dx
shld %cl, %bx, %dx
shld $1, %bx, %dx
shld %bx, (%rax)
shld %cl, %bx, (%rax)
shrd %bx, %dx
shrd %cl, %bx, %dx
shrd $1, %bx, %dx
shrd %bx, (%rax)
shrd %cl, %bx, (%rax)
// CHECK: sldtl %ecx
// CHECK: encoding: [0x0f,0x00,0xc1]