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-rw-r--r--toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106877.patch239
1 files changed, 0 insertions, 239 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106877.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106877.patch
deleted file mode 100644
index b83b957c6f..0000000000
--- a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106877.patch
+++ /dev/null
@@ -1,239 +0,0 @@
-2012-03-06 Ulrich Weigand <ulrich.weigand@linaro.org>
-
- Backport from mainline:
-
- gcc/
- * config/arm/arm.c (arm_sat_operator_match): New function.
- * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
- * config/arm/arm.md ("insn" attribute): Add "sat" value.
- ("SAT", "SATrev"): New code iterators.
- ("SATlo", "SAThi"): New code iterator attributes.
- ("*satsi_<SAT:code>"): New pattern.
- ("*satsi_<SAT:code>_shift"): Likewise.
- * config/arm/predicates.md (sat_shift_operator): New.
-
- gcc/testsuite/
- * gcc.target/arm/sat-1.c: New test.
-
-=== modified file 'gcc/config/arm/arm-protos.h'
---- old/gcc/config/arm/arm-protos.h 2012-02-22 13:31:54 +0000
-+++ new/gcc/config/arm/arm-protos.h 2012-02-29 14:29:56 +0000
-@@ -104,6 +104,7 @@
- extern int symbol_mentioned_p (rtx);
- extern int label_mentioned_p (rtx);
- extern RTX_CODE minmax_code (rtx);
-+extern bool arm_sat_operator_match (rtx, rtx, int *, bool *);
- extern int adjacent_mem_locations (rtx, rtx);
- extern bool gen_ldm_seq (rtx *, int, bool);
- extern bool gen_stm_seq (rtx *, int);
-
-=== modified file 'gcc/config/arm/arm.c'
---- old/gcc/config/arm/arm.c 2012-03-06 11:01:55 +0000
-+++ new/gcc/config/arm/arm.c 2012-03-06 13:24:25 +0000
-@@ -9978,6 +9978,42 @@
- }
- }
-
-+/* Match pair of min/max operators that can be implemented via usat/ssat. */
-+
-+bool
-+arm_sat_operator_match (rtx lo_bound, rtx hi_bound,
-+ int *mask, bool *signed_sat)
-+{
-+ /* The high bound must be a power of two minus one. */
-+ int log = exact_log2 (INTVAL (hi_bound) + 1);
-+ if (log == -1)
-+ return false;
-+
-+ /* The low bound is either zero (for usat) or one less than the
-+ negation of the high bound (for ssat). */
-+ if (INTVAL (lo_bound) == 0)
-+ {
-+ if (mask)
-+ *mask = log;
-+ if (signed_sat)
-+ *signed_sat = false;
-+
-+ return true;
-+ }
-+
-+ if (INTVAL (lo_bound) == -INTVAL (hi_bound) - 1)
-+ {
-+ if (mask)
-+ *mask = log + 1;
-+ if (signed_sat)
-+ *signed_sat = true;
-+
-+ return true;
-+ }
-+
-+ return false;
-+}
-+
- /* Return 1 if memory locations are adjacent. */
- int
- adjacent_mem_locations (rtx a, rtx b)
-
-=== modified file 'gcc/config/arm/arm.md'
---- old/gcc/config/arm/arm.md 2012-03-02 13:53:14 +0000
-+++ new/gcc/config/arm/arm.md 2012-03-06 13:24:25 +0000
-@@ -286,7 +286,7 @@
- ;; scheduling information.
-
- (define_attr "insn"
-- "mov,mvn,smulxy,smlaxy,smlalxy,smulwy,smlawx,mul,muls,mla,mlas,umull,umulls,umlal,umlals,smull,smulls,smlal,smlals,smlawy,smuad,smuadx,smlad,smladx,smusd,smusdx,smlsd,smlsdx,smmul,smmulr,smmla,umaal,smlald,smlsld,clz,mrs,msr,xtab,sdiv,udiv,other"
-+ "mov,mvn,smulxy,smlaxy,smlalxy,smulwy,smlawx,mul,muls,mla,mlas,umull,umulls,umlal,umlals,smull,smulls,smlal,smlals,smlawy,smuad,smuadx,smlad,smladx,smusd,smusdx,smlsd,smlsdx,smmul,smmulr,smmla,umaal,smlald,smlsld,clz,mrs,msr,xtab,sdiv,udiv,sat,other"
- (const_string "other"))
-
- ; TYPE attribute is used to detect floating point instructions which, if
-@@ -3424,6 +3424,60 @@
- (const_int 12)))]
- )
-
-+(define_code_iterator SAT [smin smax])
-+(define_code_iterator SATrev [smin smax])
-+(define_code_attr SATlo [(smin "1") (smax "2")])
-+(define_code_attr SAThi [(smin "2") (smax "1")])
-+
-+(define_insn "*satsi_<SAT:code>"
-+ [(set (match_operand:SI 0 "s_register_operand" "=r")
-+ (SAT:SI (SATrev:SI (match_operand:SI 3 "s_register_operand" "r")
-+ (match_operand:SI 1 "const_int_operand" "i"))
-+ (match_operand:SI 2 "const_int_operand" "i")))]
-+ "TARGET_32BIT && arm_arch6 && <SAT:CODE> != <SATrev:CODE>
-+ && arm_sat_operator_match (operands[<SAT:SATlo>], operands[<SAT:SAThi>], NULL, NULL)"
-+{
-+ int mask;
-+ bool signed_sat;
-+ if (!arm_sat_operator_match (operands[<SAT:SATlo>], operands[<SAT:SAThi>],
-+ &mask, &signed_sat))
-+ gcc_unreachable ();
-+
-+ operands[1] = GEN_INT (mask);
-+ if (signed_sat)
-+ return "ssat%?\t%0, %1, %3";
-+ else
-+ return "usat%?\t%0, %1, %3";
-+}
-+ [(set_attr "predicable" "yes")
-+ (set_attr "insn" "sat")])
-+
-+(define_insn "*satsi_<SAT:code>_shift"
-+ [(set (match_operand:SI 0 "s_register_operand" "=r")
-+ (SAT:SI (SATrev:SI (match_operator:SI 3 "sat_shift_operator"
-+ [(match_operand:SI 4 "s_register_operand" "r")
-+ (match_operand:SI 5 "const_int_operand" "i")])
-+ (match_operand:SI 1 "const_int_operand" "i"))
-+ (match_operand:SI 2 "const_int_operand" "i")))]
-+ "TARGET_32BIT && arm_arch6 && <SAT:CODE> != <SATrev:CODE>
-+ && arm_sat_operator_match (operands[<SAT:SATlo>], operands[<SAT:SAThi>], NULL, NULL)"
-+{
-+ int mask;
-+ bool signed_sat;
-+ if (!arm_sat_operator_match (operands[<SAT:SATlo>], operands[<SAT:SAThi>],
-+ &mask, &signed_sat))
-+ gcc_unreachable ();
-+
-+ operands[1] = GEN_INT (mask);
-+ if (signed_sat)
-+ return "ssat%?\t%0, %1, %4%S3";
-+ else
-+ return "usat%?\t%0, %1, %4%S3";
-+}
-+ [(set_attr "predicable" "yes")
-+ (set_attr "insn" "sat")
-+ (set_attr "shift" "3")
-+ (set_attr "type" "alu_shift")])
-
- ;; Shift and rotation insns
-
-
-=== modified file 'gcc/config/arm/predicates.md'
---- old/gcc/config/arm/predicates.md 2012-02-22 13:31:54 +0000
-+++ new/gcc/config/arm/predicates.md 2012-02-29 14:29:56 +0000
-@@ -241,6 +241,15 @@
- || ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1))) < 32")))
- (match_test "mode == GET_MODE (op)")))
-
-+;; True for shift operators which can be used with saturation instructions.
-+(define_special_predicate "sat_shift_operator"
-+ (and (ior (and (match_code "mult")
-+ (match_test "power_of_two_operand (XEXP (op, 1), mode)"))
-+ (and (match_code "ashift,ashiftrt")
-+ (match_test "GET_CODE (XEXP (op, 1)) == CONST_INT
-+ && ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1)) < 32)")))
-+ (match_test "mode == GET_MODE (op)")))
-+
- ;; True for MULT, to identify which variant of shift_operator is in use.
- (define_special_predicate "mult_operator"
- (match_code "mult"))
-
-=== added file 'gcc/testsuite/gcc.target/arm/sat-1.c'
---- old/gcc/testsuite/gcc.target/arm/sat-1.c 1970-01-01 00:00:00 +0000
-+++ new/gcc/testsuite/gcc.target/arm/sat-1.c 2012-02-29 14:29:56 +0000
-@@ -0,0 +1,64 @@
-+/* { dg-do compile } */
-+/* { dg-require-effective-target arm_arm_ok } */
-+/* { dg-require-effective-target arm_arch_v6_ok } */
-+/* { dg-options "-O2 -marm" } */
-+/* { dg-add-options arm_arch_v6 } */
-+
-+
-+static inline int sat1 (int a, int amin, int amax)
-+{
-+ if (a < amin) return amin;
-+ else if (a > amax) return amax;
-+ else return a;
-+}
-+
-+static inline int sat2 (int a, int amin, int amax)
-+{
-+ if (a > amax) return amax;
-+ else if (a < amin) return amin;
-+ else return a;
-+}
-+
-+int u1 (int x)
-+{
-+ return sat1 (x, 0, 63);
-+}
-+
-+int us1 (int x)
-+{
-+ return sat1 (x >> 5, 0, 63);
-+}
-+
-+int s1 (int x)
-+{
-+ return sat1 (x, -64, 63);
-+}
-+
-+int ss1 (int x)
-+{
-+ return sat1 (x >> 5, -64, 63);
-+}
-+
-+int u2 (int x)
-+{
-+ return sat2 (x, 0, 63);
-+}
-+
-+int us2 (int x)
-+{
-+ return sat2 (x >> 5, 0, 63);
-+}
-+
-+int s2 (int x)
-+{
-+ return sat2 (x, -64, 63);
-+}
-+
-+int ss2 (int x)
-+{
-+ return sat2 (x >> 5, -64, 63);
-+}
-+
-+/* { dg-final { scan-assembler-times "usat" 4 } } */
-+/* { dg-final { scan-assembler-times "ssat" 4 } } */
-+
-
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