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When converting from 32-bit integers (in ARM registers) to single and double
precision floating points (in Maverick registers), transfer the 32-bit value
straight to the destination register and convert it in place there,
instead of pointlessly using an extra Maverick register.
Martin Guy <martinwguy@yahoo.it> 15 Nov 2008
--- gcc-4.3.2/gcc/config/arm/cirrus.md.old 2008-11-15 18:17:52.000000000 +0000
+++ gcc-4.3.2/gcc/config/arm/cirrus.md 2008-11-15 18:24:41.000000000 +0000
@@ -300,10 +300,9 @@
;; Convert Cirrus-SI to Cirrus-SF
(define_insn "cirrus_floatsisf2"
[(set (match_operand:SF 0 "cirrus_fp_register" "=v")
- (float:SF (match_operand:SI 1 "s_register_operand" "r")))
+ (float:SF (match_operand:SI 1 "s_register_operand" "r")))]
- (clobber (match_scratch:DF 2 "=v"))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_MAVERICK"
- "cfmv64lr%?\\t%Z2, %1\;cfcvt32s%?\\t%V0, %Y2"
+ "cfmv64lr%?\\t%Z0, %1\;cfcvt32s%?\\t%V0, %Y0"
[(set_attr "length" "8")
(set_attr "cirrus" "move")]
)
@@ -310,10 +309,9 @@
(define_insn "cirrus_floatsidf2"
[(set (match_operand:DF 0 "cirrus_fp_register" "=v")
- (float:DF (match_operand:SI 1 "s_register_operand" "r")))
+ (float:DF (match_operand:SI 1 "s_register_operand" "r")))]
- (clobber (match_scratch:DF 2 "=v"))]
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_MAVERICK"
- "cfmv64lr%?\\t%Z2, %1\;cfcvt32d%?\\t%V0, %Y2"
+ "cfmv64lr%?\\t%Z0, %1\;cfcvt32d%?\\t%V0, %Y0"
[(set_attr "length" "8")
(set_attr "cirrus" "move")]
)
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