64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
2011-02-02 Richard Sandiford <richard.sandiford@linaro.org>
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gcc/
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PR target/47551
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* config/arm/arm.c (coproc_secondary_reload_class): Handle
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structure modes. Don't check neon_vector_mem_operand for
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vector or structure modes.
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gcc/testsuite/
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PR target/47551
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* gcc.target/arm/neon-modes-2.c: New test.
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=== modified file 'gcc/config/arm/arm.c'
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--- old/gcc/config/arm/arm.c 2011-02-21 14:04:51 +0000
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+++ new/gcc/config/arm/arm.c 2011-03-02 11:38:43 +0000
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@@ -9139,11 +9139,14 @@
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return GENERAL_REGS;
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}
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+ /* The neon move patterns handle all legitimate vector and struct
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+ addresses. */
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if (TARGET_NEON
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+ && MEM_P (x)
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&& (GET_MODE_CLASS (mode) == MODE_VECTOR_INT
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- || GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT)
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- && neon_vector_mem_operand (x, 0))
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- return NO_REGS;
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+ || GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT
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+ || VALID_NEON_STRUCT_MODE (mode)))
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+ return NO_REGS;
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if (arm_coproc_mem_operand (x, wb) || s_register_operand (x, mode))
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return NO_REGS;
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=== added file 'gcc/testsuite/gcc.target/arm/neon-modes-2.c'
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--- old/gcc/testsuite/gcc.target/arm/neon-modes-2.c 1970-01-01 00:00:00 +0000
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+++ new/gcc/testsuite/gcc.target/arm/neon-modes-2.c 2011-02-02 10:02:45 +0000
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@@ -0,0 +1,24 @@
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+/* { dg-do compile } */
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+/* { dg-require-effective-target arm_neon_ok } */
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+/* { dg-options "-O1" } */
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+/* { dg-add-options arm_neon } */
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+
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+#include "arm_neon.h"
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+
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+#define SETUP(A) x##A = vld3_u32 (ptr + A * 0x20)
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+#define MODIFY(A) x##A = vld3_lane_u32 (ptr + A * 0x20 + 0x10, x##A, 1)
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+#define STORE(A) vst3_u32 (ptr + A * 0x20, x##A)
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+
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+#define MANY(A) A (0), A (1), A (2), A (3), A (4), A (5)
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+
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+void
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+bar (uint32_t *ptr, int y)
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+{
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+ uint32x2x3_t MANY (SETUP);
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+ int *x = __builtin_alloca (y);
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+ int z[0x1000];
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+ foo (x, z);
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+ MANY (MODIFY);
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+ foo (x, z);
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+ MANY (STORE);
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+}
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