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| author | John David Anglin <dave.anglin@nrc-cnrc.gc.ca> | 2007-12-21 23:37:07 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2007-12-21 23:37:07 +0000 |
| commit | 7813231b94b7bc1f95e309be840f1025f29d1d4a (patch) | |
| tree | 727113008fa80c7445d73efff5a2d9df897d2185 /gcc/config/pa | |
| parent | b721df48de315f97bfe6b225e83426e2cb040c5d (diff) | |
| download | gcc-7813231b94b7bc1f95e309be840f1025f29d1d4a.zip gcc-7813231b94b7bc1f95e309be840f1025f29d1d4a.tar.gz gcc-7813231b94b7bc1f95e309be840f1025f29d1d4a.tar.bz2 | |
re PR target/34525 (ICE in extract_insn, at recog.c:1990 on hppa)
PR target/34525
* pa.c (legitimize_pic_address): Emit insn to load function label
forced to memory.
From-SVN: r131126
Diffstat (limited to 'gcc/config/pa')
| -rw-r--r-- | gcc/config/pa/pa.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 46ecbc1..fce53fe 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -694,19 +694,37 @@ legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg) tmp_reg = ((reload_in_progress || reload_completed) ? reg : gen_reg_rtx (Pmode)); - /* Force function labels into memory. */ if (function_label_operand (orig, mode)) - orig = force_const_mem (mode, orig); - - emit_move_insn (tmp_reg, - gen_rtx_PLUS (word_mode, pic_offset_table_rtx, - gen_rtx_HIGH (word_mode, orig))); - pic_ref - = gen_const_mem (Pmode, - gen_rtx_LO_SUM (Pmode, tmp_reg, - gen_rtx_UNSPEC (Pmode, + { + /* Force function label into memory. */ + orig = XEXP (force_const_mem (mode, orig), 0); + /* Load plabel address from DLT. */ + emit_move_insn (tmp_reg, + gen_rtx_PLUS (word_mode, pic_offset_table_rtx, + gen_rtx_HIGH (word_mode, orig))); + pic_ref + = gen_const_mem (Pmode, + gen_rtx_LO_SUM (Pmode, tmp_reg, + gen_rtx_UNSPEC (Pmode, gen_rtvec (1, orig), UNSPEC_DLTIND14R))); + emit_move_insn (reg, pic_ref); + /* Now load address of function descriptor. */ + pic_ref = gen_rtx_MEM (Pmode, reg); + } + else + { + /* Load symbol reference from DLT. */ + emit_move_insn (tmp_reg, + gen_rtx_PLUS (word_mode, pic_offset_table_rtx, + gen_rtx_HIGH (word_mode, orig))); + pic_ref + = gen_const_mem (Pmode, + gen_rtx_LO_SUM (Pmode, tmp_reg, + gen_rtx_UNSPEC (Pmode, + gen_rtvec (1, orig), + UNSPEC_DLTIND14R))); + } current_function_uses_pic_offset_table = 1; mark_reg_pointer (reg, BITS_PER_UNIT); |