diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/iamcu.h | 43 |
2 files changed, 49 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b20c003..4e81e8c 100644 --- 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 a1c83f4..1e2fbe4 100644 --- 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) |