From 1f9ed162eb30f1b40b65d164b3a40ac78e1f006e Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 1 Nov 2011 08:42:57 +0000
Subject: [PATCH] Add vcond/vcondu patterns to sparc backend.
* 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.
(vconduv8qiv8qi): Likewise.
From-SVN: r180733
---
gcc/ChangeLog | 7 +++++++
gcc/config/sparc/sparc-protos.h | 1 +
gcc/config/sparc/sparc.c | 37 +++++++++++++++++++++++++++++++++
gcc/config/sparc/sparc.md | 30 ++++++++++++++++++++++++++
4 files changed, 75 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d5f725b4b5ea..d6a9c4da70dd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-11-01 David S. Miller <davem@davemloft.net>
+
+ * 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.
+ (vconduv8qiv8qi): Likewise.
+
2011-11-01 Alexandre Oliva <aoliva@redhat.com>
PR debug/50869
diff --git a/gcc/config/sparc/sparc-protos.h b/gcc/config/sparc/sparc-protos.h
index 108e105cbeac..b9a094e160a5 100644
--- a/gcc/config/sparc/sparc-protos.h
+++ b/gcc/config/sparc/sparc-protos.h
@@ -108,6 +108,7 @@ extern const char *output_v8plus_mult (rtx, rtx *, const char *);
extern void sparc_expand_vector_init (rtx, rtx);
extern void sparc_expand_vec_perm_bmask(enum machine_mode, rtx);
extern bool sparc_expand_conditional_move (enum machine_mode, rtx *);
+extern void sparc_expand_vcond (enum machine_mode, rtx *, int, int);
#endif /* RTX_CODE */
#endif /* __SPARC_PROTOS_H__ */
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index fd1b190d05db..6431405b87fd 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -11531,4 +11531,41 @@ sparc_expand_conditional_move (enum machine_mode mode, rtx *operands)
return true;
}
+void
+sparc_expand_vcond (enum machine_mode mode, rtx *operands, int ccode, int fcode)
+{
+ rtx mask, cop0, cop1, fcmp, cmask, bshuf, gsr;
+ enum rtx_code code = GET_CODE (operands[3]);
+
+ mask = gen_reg_rtx (Pmode);
+ cop0 = operands[4];
+ cop1 = operands[5];
+ if (code == LT || code == GE)
+ {
+ rtx t;
+
+ code = swap_condition (code);
+ t = cop0; cop0 = cop1; cop1 = t;
+ }
+
+ gsr = gen_rtx_REG (DImode, SPARC_GSR_REG);
+
+ fcmp = gen_rtx_UNSPEC (Pmode,
+ gen_rtvec (1, gen_rtx_fmt_ee (code, mode, cop0, cop1)),
+ fcode);
+
+ cmask = gen_rtx_UNSPEC (DImode,
+ gen_rtvec (2, mask, gsr),
+ ccode);
+
+ bshuf = gen_rtx_UNSPEC (mode,
+ gen_rtvec (3, operands[1], operands[2], gsr),
+ UNSPEC_BSHUFFLE);
+
+ emit_insn (gen_rtx_SET (VOIDmode, mask, fcmp));
+ emit_insn (gen_rtx_SET (VOIDmode, gsr, cmask));
+
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0], bshuf));
+}
+
#include "gt-sparc.h"
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md
index fbd1a8719217..592440389e5f 100644
--- a/gcc/config/sparc/sparc.md
+++ b/gcc/config/sparc/sparc.md
@@ -8299,6 +8299,36 @@
[(set_attr "type" "fpmul")
(set_attr "fptype" "double")])
+(define_expand "vcond<mode><mode>"
+ [(match_operand:GCM 0 "register_operand" "")
+ (match_operand:GCM 1 "register_operand" "")
+ (match_operand:GCM 2 "register_operand" "")
+ (match_operator 3 ""
+ [(match_operand:GCM 4 "register_operand" "")
+ (match_operand:GCM 5 "register_operand" "")])]
+ "TARGET_VIS3"
+{
+ sparc_expand_vcond (<MODE>mode, operands,
+ UNSPEC_CMASK<gcm_name>,
+ UNSPEC_FCMP);
+ DONE;
+})
+
+(define_expand "vconduv8qiv8qi"
+ [(match_operand:V8QI 0 "register_operand" "")
+ (match_operand:V8QI 1 "register_operand" "")
+ (match_operand:V8QI 2 "register_operand" "")
+ (match_operator 3 ""
+ [(match_operand:V8QI 4 "register_operand" "")
+ (match_operand:V8QI 5 "register_operand" "")])]
+ "TARGET_VIS3"
+{
+ sparc_expand_vcond (V8QImode, operands,
+ UNSPEC_CMASK8,
+ UNSPEC_FUCMP);
+ DONE;
+})
+
(define_insn "array8<P:mode>_vis"
[(set (match_operand:P 0 "register_operand" "=r")
(unspec:P [(match_operand:P 1 "register_or_zero_operand" "rJ")
--
GitLab