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| author | David S. Miller <davem@davemloft.net> | 2011-11-01 23:43:44 +0000 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2011-11-01 16:43:44 -0700 |
| commit | 0182eb8a39da03028e5019bb27d10255d361c44c (patch) | |
| tree | e6627e1f1255c93cb08c92ea303e0132cec82768 | |
| parent | 89401152c4451eec03fb63dad723edcaa89a2bd3 (diff) | |
| download | gcc-0182eb8a39da03028e5019bb27d10255d361c44c.zip gcc-0182eb8a39da03028e5019bb27d10255d361c44c.tar.gz gcc-0182eb8a39da03028e5019bb27d10255d361c44c.tar.bz2 | |
Handle V4HI vector initialization more efficiently on VIS1.
* config/sparc/sparc.c (vector_init_faligndata): New function.
(sparc_expand_vector_init): Use it for V4HImode on VIS1.
From-SVN: r180752
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.c | 24 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9c75318..a7b1c09 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -76,6 +76,9 @@ 2011-11-01 David S. Miller <davem@davemloft.net> + * config/sparc/sparc.c (vector_init_faligndata): New function. + (sparc_expand_vector_init): Use it for V4HImode on VIS1. + * config/sparc/sparc.c (sparc_expand_vcond): New function. * config/sparc/sparc-protos.h (sparc_expand_vcond): Declare it. * config/sparc/sparc.md (vcond<mode><mode>): New VIS3 expander. diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 6431405..649612e 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -11340,6 +11340,25 @@ vector_init_fpmerge (rtx target, rtx elt, enum machine_mode inner_mode) emit_insn (gen_fpmerge_vis (gen_lowpart (V8QImode, target), t1, t2)); } +static void +vector_init_faligndata (rtx target, rtx elt, enum machine_mode inner_mode) +{ + rtx t1 = gen_reg_rtx (V4HImode); + + elt = convert_modes (SImode, inner_mode, elt, true); + + emit_move_insn (gen_lowpart (SImode, t1), elt); + + emit_insn (gen_alignaddrsi_vis (gen_reg_rtx (SImode), + force_reg (SImode, GEN_INT (6)), + CONST0_RTX (SImode))); + + emit_insn (gen_faligndatav4hi_vis (target, t1, target)); + emit_insn (gen_faligndatav4hi_vis (target, t1, target)); + emit_insn (gen_faligndatav4hi_vis (target, t1, target)); + emit_insn (gen_faligndatav4hi_vis (target, t1, target)); +} + void sparc_expand_vector_init (rtx target, rtx vals) { @@ -11404,6 +11423,11 @@ sparc_expand_vector_init (rtx target, rtx vals) vector_init_fpmerge (target, XVECEXP (vals, 0, 0), inner_mode); return; } + if (mode == V4HImode) + { + vector_init_faligndata (target, XVECEXP (vals, 0, 0), inner_mode); + return; + } } mem = assign_stack_temp (mode, GET_MODE_SIZE (mode), 0); |