mirror of
https://github.com/openembedded/meta-openembedded.git
synced 2026-07-16 04:17:25 +00:00
Koen Kooi
ff0f815593
Acked-by: Martin Jansa <Martin.Jansa@gmail.com> Acked-by: Eric Bénard <eric@eukrea.com> Acked-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
46 lines
1.2 KiB
Diff
46 lines
1.2 KiB
Diff
Index: gcc-4_6-branch/gcc/config/arm/arm.c
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===================================================================
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--- gcc-4_6-branch.orig/gcc/config/arm/arm.c 2012-03-05 17:14:09.901129286 -0800
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+++ gcc-4_6-branch/gcc/config/arm/arm.c 2012-03-05 17:18:23.061141606 -0800
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@@ -17525,6 +17525,13 @@
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}
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return;
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+ case 'v':
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+ {
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+ gcc_assert (GET_CODE (x) == CONST_DOUBLE);
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+ fprintf (stream, "#%d", vfp3_const_double_for_fract_bits (x));
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+ return;
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+ }
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+
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/* Register specifier for vld1.16/vst1.16. Translate the S register
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number into a D register number and element index. */
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case 'z':
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@@ -24925,4 +24932,26 @@
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return 4;
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}
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+int
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+vfp3_const_double_for_fract_bits (rtx operand)
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+{
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+ REAL_VALUE_TYPE r0;
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+
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+ if (GET_CODE (operand) != CONST_DOUBLE)
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+ return 0;
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+
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+ REAL_VALUE_FROM_CONST_DOUBLE (r0, operand);
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+ if (exact_real_inverse (DFmode, &r0))
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+ {
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+ if (exact_real_truncate (DFmode, &r0))
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+ {
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+ HOST_WIDE_INT value = real_to_integer (&r0);
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+ value = value & 0xffffffff;
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+ if ((value != 0) && ( (value & (value - 1)) == 0))
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+ return int_log2 (value);
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+ }
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+ }
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+ return 0;
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+}
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+
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#include "gt-arm.h"
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