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| author | Eric Botcazou <ebotcazou@adacore.com> | 2015-12-02 16:34:58 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2015-12-02 16:34:58 +0000 |
| commit | f74e65509f3355b9bb0992d2c784e56962b06001 (patch) | |
| tree | 4fb91cfcec800769055eff37186cc38fea07a555 /gcc | |
| parent | 202d0c11b90695a523cc7fabc5e225ab1f7e51a1 (diff) | |
| download | gcc-f74e65509f3355b9bb0992d2c784e56962b06001.zip gcc-f74e65509f3355b9bb0992d2c784e56962b06001.tar.gz gcc-f74e65509f3355b9bb0992d2c784e56962b06001.tar.bz2 | |
mips.c (mips_emit_probe_stack_range): Adjust.
* config/mips/mips.c (mips_emit_probe_stack_range): Adjust.
(mips_output_probe_stack_range): Rotate the loop and simplify.
From-SVN: r231188
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 26 |
2 files changed, 15 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db75d76..c33163b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-12-02 Eric Botcazou <ebotcazou@adacore.com> + + * config/mips/mips.c (mips_emit_probe_stack_range): Adjust. + (mips_output_probe_stack_range): Rotate the loop and simplify. + 2015-12-02 David Sherwood <david.sherwood@arm.com> * config/aarch64/aarch64.md: New pattern. diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index eeb80eb..6145944 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -11364,11 +11364,12 @@ mips_emit_probe_stack_range (HOST_WIDE_INT first, HOST_WIDE_INT size) /* Step 3: the loop - while (TEST_ADDR != LAST_ADDR) + do { TEST_ADDR = TEST_ADDR + PROBE_INTERVAL probe at TEST_ADDR } + while (TEST_ADDR != LAST_ADDR) probes at FIRST + N * PROBE_INTERVAL for values of N from 1 until it is equal to ROUNDED_SIZE. */ @@ -11394,38 +11395,31 @@ const char * mips_output_probe_stack_range (rtx reg1, rtx reg2) { static int labelno = 0; - char loop_lab[32], end_lab[32], tmp[64]; + char loop_lab[32], tmp[64]; rtx xops[2]; - ASM_GENERATE_INTERNAL_LABEL (loop_lab, "LPSRL", labelno); - ASM_GENERATE_INTERNAL_LABEL (end_lab, "LPSRE", labelno++); + ASM_GENERATE_INTERNAL_LABEL (loop_lab, "LPSRL", labelno++); + /* Loop. */ ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, loop_lab); - /* Jump to END_LAB if TEST_ADDR == LAST_ADDR. */ - xops[0] = reg1; - xops[1] = reg2; - strcpy (tmp, "%(%<beq\t%0,%1,"); - output_asm_insn (strcat (tmp, &end_lab[1]), xops); - /* TEST_ADDR = TEST_ADDR + PROBE_INTERVAL. */ + xops[0] = reg1; xops[1] = GEN_INT (-PROBE_INTERVAL); if (TARGET_64BIT && TARGET_LONG64) output_asm_insn ("daddiu\t%0,%0,%1", xops); else output_asm_insn ("addiu\t%0,%0,%1", xops); - /* Probe at TEST_ADDR and branch. */ - fprintf (asm_out_file, "\tb\t"); - assemble_name_raw (asm_out_file, loop_lab); - fputc ('\n', asm_out_file); + /* Probe at TEST_ADDR, test if TEST_ADDR == LAST_ADDR and branch. */ + xops[1] = reg2; + strcpy (tmp, "%(%<bne\t%0,%1,"); + output_asm_insn (strcat (tmp, &loop_lab[1]), xops); if (TARGET_64BIT) output_asm_insn ("sd\t$0,0(%0)%)", xops); else output_asm_insn ("sw\t$0,0(%0)%)", xops); - ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, end_lab); - return ""; } |