Update config/i386/iamcu.h

Copy ASM_OUTPUT_ALIGNED_BSS, ASM_OUTPUT_MAX_SKIP_ALIGN and
ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX from config/i386/gnu-user.h.

	* config/i386/iamcu.h (ASM_OUTPUT_ALIGNED_BSS): New.
	(ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
	(ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.

From-SVN: r225609

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b20c00351c674744932eafbf4cb7ed3eb926e122..4e81e8cce047fd1920bbe1cc5a44e218a28dfe4c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-07-09  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/iamcu.h (ASM_OUTPUT_ALIGNED_BSS): New.
+       (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+       (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
+
 2015-07-09  Andrew MacLeod  <amacleod@redhat.com>
 
        * flags.h: Don't include flag-types.h or options.h.

diff --git a/gcc/config/i386/iamcu.h b/gcc/config/i386/iamcu.h
index a1c83f4dc13b31879b17c7ccaac052170fae1cb0..1e2fbe406424379ebf7e62c80233afbf44ce6437 100644 (file)
--- a/gcc/config/i386/iamcu.h
+++ b/gcc/config/i386/iamcu.h
@@ -40,3 +40,46 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #undef LIB_SPEC
 #define LIB_SPEC "--start-group -lc -lgloss --end-group"
+
+/* A C statement (sans semicolon) to output to the stdio stream
+   FILE the assembler definition of uninitialized global DECL named
+   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+   Try to use asm_output_aligned_bss to implement this macro.  */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* A C statement to output to the stdio stream FILE an assembler
+   command to advance the location counter to a multiple of 1<<LOG
+   bytes if it is within MAX_SKIP bytes.
+
+   This is used to align code labels according to Intel recommendations.  */
+
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)                   \
+  do {                                                                 \
+    if ((LOG) != 0) {                                                  \
+      if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+      else {                                                           \
+       fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));     \
+       /* Make sure that we have at least 8 byte alignment if > 8 byte \
+          alignment is preferred.  */                                  \
+       if ((LOG) > 3                                                   \
+           && (1 << (LOG)) > ((MAX_SKIP) + 1)                          \
+           && (MAX_SKIP) >= 7)                                         \
+         fputs ("\t.p2align 3\n", (FILE));                             \
+      }                                                                        \
+    }                                                                  \
+  } while (0)
+
+/* Handle special EH pointer encodings.  Absolute, pc-relative, and
+   indirect are handled automatically.  */
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
+  do {                                                                 \
+    if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)                \
+      {                                                                        \
+        fputs (ASM_LONG, FILE);                                                \
+        assemble_name (FILE, XSTR (ADDR, 0));                          \
+       fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
+        goto DONE;                                                     \
+      }                                                                        \
+  } while (0)