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AArch64 MOVK fix to operand 2 

From-SVN: r196958
This commit is contained in:
Ian Bolton 2013-03-22 12:07:20 +00:00 committed by Ian Bolton
parent b315f09425
commit a05c0ddfb2
5 changed files with 54 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2013-03-22 Ian Bolton <ian.bolton@arm.com>
* config/aarch64/aarch64.c (aarch64_print_operand): New
format specifier for printing a constant in hex.
* config/aarch64/aarch64.md (insv_imm<mode>): Use the X
format specifier for printing second operand.
2013-03-22 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-im.c (memory_references): Add refs_stored_in_loop

10
gcc/config/aarch64/aarch64.c
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@ -3364,6 +3364,16 @@ aarch64_print_operand (FILE *f, rtx x, char code)
asm_fprintf (f, "v%d", REGNO (x) - V0_REGNUM + (code - 'S'));
break;
case 'X':
/* Print integer constant in hex. */
if (GET_CODE (x) != CONST_INT)
{
output_operand_lossage ("invalid operand for '%%%c'", code);
return;
}
asm_fprintf (f, "0x%x", UINTVAL (x));
break;
case 'w':
case 'x':
/* Print a general register name or the zero register (32-bit or

4
gcc/config/aarch64/aarch64.md
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@ -844,8 +844,8 @@
(match_operand:GPI 2 "const_int_operand" "n"))]
"INTVAL (operands[1]) < GET_MODE_BITSIZE (<MODE>mode)
&& INTVAL (operands[1]) % 16 == 0
&& INTVAL (operands[2]) <= 0xffff"
"movk\\t%<w>0, %2, lsl %1"
&& UINTVAL (operands[2]) <= 0xffff"
"movk\\t%<w>0, %X2, lsl %1"
[(set_attr "v8type" "movk")
(set_attr "mode" "<MODE>")]
)

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2013-03-22 Ian Bolton <ian.bolton@arm.com>
* gcc.target/aarch64/movk.c: New test.
2013-03-21 Marc Glisse <marc.glisse@inria.fr>
* g++.dg/ext/vector21.C: New testcase.

31
gcc/testsuite/gcc.target/aarch64/movk.c Normal file
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@ -0,0 +1,31 @@
/* { dg-do run } */
/* { dg-options "-O2 --save-temps -fno-inline" } */
extern void abort (void);
long long int
dummy_number_generator ()
{
/* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0xefff, lsl 16" } } */
/* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0xc4cc, lsl 32" } } */
/* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0xfffe, lsl 48" } } */
return -346565474575675;
}
int
main (void)
{
long long int num = dummy_number_generator ();
if (num > 0)
abort ();
/* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0x4667, lsl 16" } } */
/* { dg-final { scan-assembler "movk\tx\[0-9\]+, 0x7a3d, lsl 32" } } */
if (num / 69313094915135 != -5)
abort ();
return 0;
}
/* { dg-final { cleanup-saved-temps } } */