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authorBob Wilson <bob.wilson@acm.org>2008-03-27 22:44:47 +0000
committerBob Wilson <bwilson@gcc.gnu.org>2008-03-27 22:44:47 +0000
commitff779f98ef7328c3a3dc537e274186b756da85d8 (patch)
treebf07e9abbe9803202053c693d3fe40a51b616c4e /gcc/config/xtensa
parentad4426d0f527e5f2758c607e36143540b57082cb (diff)
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xtensa.c (gen_float_relational): Handle unordered comparisons.
* config/xtensa/xtensa.c (gen_float_relational): Handle unordered comparisons. * config/xtensa/xtensa.md (any_cond): Add unordered comparisons. (any_scc_sf): Add uneq, unlt, unle and unordered operators. (scc_sf): New. (s<code>_sf): Use new scc_sf attribute for opcode names. From-SVN: r133659
Diffstat (limited to 'gcc/config/xtensa')
-rw-r--r--gcc/config/xtensa/xtensa.c10
-rw-r--r--gcc/config/xtensa/xtensa.md11
2 files changed, 18 insertions, 3 deletions
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 7340ba7..d61625d 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -652,6 +652,16 @@ gen_float_relational (enum rtx_code test_code, /* relational test (EQ, etc) */
case GT: reverse_regs = 1; invert = 0; gen_fn = gen_slt_sf; break;
case LT: reverse_regs = 0; invert = 0; gen_fn = gen_slt_sf; break;
case GE: reverse_regs = 1; invert = 0; gen_fn = gen_sle_sf; break;
+ case UNEQ: reverse_regs = 0; invert = 0; gen_fn = gen_suneq_sf; break;
+ case LTGT: reverse_regs = 0; invert = 1; gen_fn = gen_suneq_sf; break;
+ case UNLE: reverse_regs = 0; invert = 0; gen_fn = gen_sunle_sf; break;
+ case UNGT: reverse_regs = 1; invert = 0; gen_fn = gen_sunlt_sf; break;
+ case UNLT: reverse_regs = 0; invert = 0; gen_fn = gen_sunlt_sf; break;
+ case UNGE: reverse_regs = 1; invert = 0; gen_fn = gen_sunle_sf; break;
+ case UNORDERED:
+ reverse_regs = 0; invert = 0; gen_fn = gen_sunordered_sf; break;
+ case ORDERED:
+ reverse_regs = 0; invert = 1; gen_fn = gen_sunordered_sf; break;
default:
fatal_insn ("bad test", gen_rtx_fmt_ee (test_code, VOIDmode, cmp0, cmp1));
reverse_regs = 0; invert = 0; gen_fn = 0; /* avoid compiler warnings */
diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
index 541eba3..7d85956b 100644
--- a/gcc/config/xtensa/xtensa.md
+++ b/gcc/config/xtensa/xtensa.md
@@ -59,13 +59,18 @@
;; This code iterator allows all branch instructions to be generated from
;; a single define_expand template.
-(define_code_iterator any_cond [eq ne gt ge lt le gtu geu ltu leu])
+(define_code_iterator any_cond [eq ne gt ge lt le gtu geu ltu leu
+ uneq ltgt ungt unge unlt unle
+ unordered ordered])
;; This code iterator is for setting a register from a comparison.
(define_code_iterator any_scc [eq ne gt ge lt le])
;; This code iterator is for floating-point comparisons.
-(define_code_iterator any_scc_sf [eq lt le])
+(define_code_iterator any_scc_sf [eq lt le uneq unlt unle unordered])
+(define_code_attr scc_sf [(eq "oeq") (lt "olt") (le "ole")
+ (uneq "ueq") (unlt "ult") (unle "ule")
+ (unordered "un")])
;; This iterator and attribute allow to combine most atomic operations.
(define_code_iterator ATOMIC [and ior xor plus minus mult])
@@ -1415,7 +1420,7 @@
(any_scc_sf:CC (match_operand:SF 1 "register_operand" "f")
(match_operand:SF 2 "register_operand" "f")))]
"TARGET_HARD_FLOAT"
- "o<code>.s\t%0, %1, %2"
+ "<scc_sf>.s\t%0, %1, %2"
[(set_attr "type" "farith")
(set_attr "mode" "BL")
(set_attr "length" "3")])