61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
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2015-10-02 Uros Bizjak <ubizjak@gmail.com>
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* system.h (ROUND_UP): New macro definition.
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(ROUND_DOWN): Ditto.
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* ggc-page.c (ROUND_UP): Remove local macro definition.
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(PAGE_ALIGN): Implement using ROUND_UP macro.
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2013-08-24 Marc Glisse <marc.glisse@inria.fr>
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PR other/57324
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* hwint.h (HOST_WIDE_INT_UC, HOST_WIDE_INT_1U, HOST_WIDE_INT_M1,
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HOST_WIDE_INT_M1U): New macros.
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diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c
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index 5b18468439d..4fb41b1112b 100644
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--- a/gcc/ggc-page.c
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+++ b/gcc/ggc-page.c
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@@ -216,10 +216,6 @@ static const size_t extra_order_size_table[] = {
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#define ROUND_UP_VALUE(x, f) ((f) - 1 - ((f) - 1 + (x)) % (f))
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-/* Compute the smallest multiple of F that is >= X. */
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-
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-#define ROUND_UP(x, f) (CEIL (x, f) * (f))
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-
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/* Round X to next multiple of the page size */
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#define PAGE_ALIGN(x) (((x) + G.pagesize - 1) & ~(G.pagesize - 1))
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diff --git a/gcc/hwint.h b/gcc/hwint.h
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index da62fadcc9e..64b1805345d 100644
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--- a/gcc/hwint.h
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+++ b/gcc/hwint.h
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@@ -76,7 +76,9 @@ extern char sizeof_long_long_must_be_8[sizeof(long long) == 8 ? 1 : -1];
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# endif
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#endif
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+#define HOST_WIDE_INT_UC(X) HOST_WIDE_INT_C (X ## U)
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#define HOST_WIDE_INT_1 HOST_WIDE_INT_C(1)
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+#define HOST_WIDE_INT_1U HOST_WIDE_INT_UC(1)
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/* This is a magic identifier which allows GCC to figure out the type
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of HOST_WIDE_INT for %wd specifier checks. You must issue this
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diff --git a/gcc/system.h b/gcc/system.h
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index 41cd565538a..8230d506fc3 100644
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--- a/gcc/system.h
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+++ b/gcc/system.h
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@@ -348,6 +348,12 @@ extern int errno;
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/* Returns the least number N such that N * Y >= X. */
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#define CEIL(x,y) (((x) + (y) - 1) / (y))
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+/* This macro rounds x up to the y boundary. */
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+#define ROUND_UP(x,y) (((x) + (y) - 1) & ~((y) - 1))
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+
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+/* This macro rounds x down to the y boundary. */
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+#define ROUND_DOWN(x,y) ((x) & ~((y) - 1))
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+
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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