[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
https://github.com/pogo59 created
https://github.com/llvm/llvm-project/pull/83316
Comparison intrinsics were described as returning the "result" without
specifying how. The "cmp" intrinsics return zero or all 1's in the
corresponding elements of a returned vector; the "com" intrinsics return an
integer 0 or 1.
Also removed some redundant information.
>From 2afca3e91d96cc77f43556bbf71b6e60a22e45f2 Mon Sep 17 00:00:00 2001
From: Paul Robinson
Date: Wed, 28 Feb 2024 11:04:41 -0800
Subject: [PATCH] [Headers][X86] Add specific results to comparisons
Comparison intrinsics were described as returning the "result" without
specifying how. The "cmp" intrinsics return zero or all 1's in the
corresponding elements of a returned vector; the "com" intrinsics return
an integer 0 or 1.
Also removed some redundant information.
---
clang/lib/Headers/smmintrin.h | 6 +-
clang/lib/Headers/xmmintrin.h | 146 +++---
2 files changed, 85 insertions(+), 67 deletions(-)
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h
index 005d7db9c3c308..ba593835b9b3dc 100644
--- a/clang/lib/Headers/smmintrin.h
+++ b/clang/lib/Headers/smmintrin.h
@@ -1186,7 +1186,8 @@ static __inline__ int __DEFAULT_FN_ATTRS
_mm_testnzc_si128(__m128i __M,
/* SSE4 64-bit Packed Integer Comparisons. */
/// Compares each of the corresponding 64-bit values of the 128-bit
-///integer vectors for equality.
+///integer vectors for equality. Returns zero for false and all 1's for
+///true in corresponding elements of the result.
///
/// \headerfile
///
@@ -2303,7 +2304,8 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_minpos_epu16(__m128i __V) {
/* SSE4.2 Compare Packed Data -- Greater Than. */
/// Compares each of the corresponding 64-bit values of the 128-bit
///integer vectors to determine if the values in the first operand are
-///greater than those in the second operand.
+///greater than those in the second operand. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index 47368f3c23d2d6..d8ad5ae526a45f 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -474,8 +474,8 @@ _mm_xor_ps(__m128 __a, __m128 __b)
}
/// Compares two 32-bit float values in the low-order bits of both
-///operands for equality and returns the result of the comparison in the
-///low-order bits of a vector [4 x float].
+///operands for equality and returns the result of the comparison (zero for
+///false, all 1's for true) in the low-order bits of a vector [4 x float].
///
/// \headerfile
///
@@ -496,7 +496,8 @@ _mm_cmpeq_ss(__m128 __a, __m128 __b)
}
/// Compares each of the corresponding 32-bit float values of the
-///128-bit vectors of [4 x float] for equality.
+///128-bit vectors of [4 x float] for equality. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -516,7 +517,8 @@ _mm_cmpeq_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than the
///corresponding value in the second operand and returns the result of the
-///comparison in the low-order bits of a vector of [4 x float].
+///comparison (zero for false, all 1's for true) in the low-order bits of a
+///vector of [4 x float].
///
/// \headerfile
///
@@ -538,7 +540,8 @@ _mm_cmplt_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than those in the second operand.
+///operand are less than those in the second operand. Returns zero for
+///false and all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -558,8 +561,8 @@ _mm_cmplt_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than or
///equal to the corresponding value in the second operand and returns the
-///result of the comparison in the low-order bits of a vector of
-///[4 x float].
+///result of the comparison (zero for false, all 1's for true) in the
+///low-order bits of a vector of [4 x float].
///
/// \headerfile
///
@@ -581,7 +584,9 @@ _mm_cmple_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than or equal to those in the second operand.
+///operand are less than or equal to those in the second operand. Returns
+///zero for false and all 1's for true in corresponding ele
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
pogo59 wrote: Also tag @cflores for your review. https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
llvmbot wrote:
@llvm/pr-subscribers-clang
@llvm/pr-subscribers-backend-x86
Author: Paul T Robinson (pogo59)
Changes
Comparison intrinsics were described as returning the "result" without
specifying how. The "cmp" intrinsics return zero or all 1's in the
corresponding elements of a returned vector; the "com" intrinsics return an
integer 0 or 1.
Also removed some redundant information.
---
Patch is 23.22 KiB, truncated to 20.00 KiB below, full version:
https://github.com/llvm/llvm-project/pull/83316.diff
2 Files Affected:
- (modified) clang/lib/Headers/smmintrin.h (+4-2)
- (modified) clang/lib/Headers/xmmintrin.h (+81-65)
``diff
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h
index 005d7db9c3c308..ba593835b9b3dc 100644
--- a/clang/lib/Headers/smmintrin.h
+++ b/clang/lib/Headers/smmintrin.h
@@ -1186,7 +1186,8 @@ static __inline__ int __DEFAULT_FN_ATTRS
_mm_testnzc_si128(__m128i __M,
/* SSE4 64-bit Packed Integer Comparisons. */
/// Compares each of the corresponding 64-bit values of the 128-bit
-///integer vectors for equality.
+///integer vectors for equality. Returns zero for false and all 1's for
+///true in corresponding elements of the result.
///
/// \headerfile
///
@@ -2303,7 +2304,8 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_minpos_epu16(__m128i __V) {
/* SSE4.2 Compare Packed Data -- Greater Than. */
/// Compares each of the corresponding 64-bit values of the 128-bit
///integer vectors to determine if the values in the first operand are
-///greater than those in the second operand.
+///greater than those in the second operand. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index 47368f3c23d2d6..d8ad5ae526a45f 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -474,8 +474,8 @@ _mm_xor_ps(__m128 __a, __m128 __b)
}
/// Compares two 32-bit float values in the low-order bits of both
-///operands for equality and returns the result of the comparison in the
-///low-order bits of a vector [4 x float].
+///operands for equality and returns the result of the comparison (zero for
+///false, all 1's for true) in the low-order bits of a vector [4 x float].
///
/// \headerfile
///
@@ -496,7 +496,8 @@ _mm_cmpeq_ss(__m128 __a, __m128 __b)
}
/// Compares each of the corresponding 32-bit float values of the
-///128-bit vectors of [4 x float] for equality.
+///128-bit vectors of [4 x float] for equality. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -516,7 +517,8 @@ _mm_cmpeq_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than the
///corresponding value in the second operand and returns the result of the
-///comparison in the low-order bits of a vector of [4 x float].
+///comparison (zero for false, all 1's for true) in the low-order bits of a
+///vector of [4 x float].
///
/// \headerfile
///
@@ -538,7 +540,8 @@ _mm_cmplt_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than those in the second operand.
+///operand are less than those in the second operand. Returns zero for
+///false and all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -558,8 +561,8 @@ _mm_cmplt_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than or
///equal to the corresponding value in the second operand and returns the
-///result of the comparison in the low-order bits of a vector of
-///[4 x float].
+///result of the comparison (zero for false, all 1's for true) in the
+///low-order bits of a vector of [4 x float].
///
/// \headerfile
///
@@ -581,7 +584,9 @@ _mm_cmple_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than or equal to those in the second operand.
+///operand are less than or equal to those in the second operand. Returns
+///zero for false and all 1's for true in corresponding elements of the
+///result.
///
/// \headerfile
///
@@ -601,7 +606,8 @@ _mm_cmple_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is greater than
///the corresponding value in the second operand and returns the resu
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
https://github.com/phoebewang approved this pull request. LGTM. https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
RKSimon wrote: @pogo This doesn't match what we did for the various cmp intrinsics in emmintrin.h - should it? ```cpp /// Compares each of the corresponding signed 32-bit values of the ///128-bit integer vectors to determine if the values in the first operand ///are greater than those in the second operand. /// ///Each comparison yields 0x0 for false, 0x for true. /// /// \headerfile /// /// This intrinsic corresponds to the VPCMPGTD / PCMPGTD instruction. ``` https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
pogo59 wrote: @RKSimon I was not aware of the comparison intrinsics in emmintrin.h. I will follow that pattern. https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
https://github.com/pogo59 updated
https://github.com/llvm/llvm-project/pull/83316
>From 2afca3e91d96cc77f43556bbf71b6e60a22e45f2 Mon Sep 17 00:00:00 2001
From: Paul Robinson
Date: Wed, 28 Feb 2024 11:04:41 -0800
Subject: [PATCH 1/2] [Headers][X86] Add specific results to comparisons
Comparison intrinsics were described as returning the "result" without
specifying how. The "cmp" intrinsics return zero or all 1's in the
corresponding elements of a returned vector; the "com" intrinsics return
an integer 0 or 1.
Also removed some redundant information.
---
clang/lib/Headers/smmintrin.h | 6 +-
clang/lib/Headers/xmmintrin.h | 146 +++---
2 files changed, 85 insertions(+), 67 deletions(-)
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h
index 005d7db9c3c308..ba593835b9b3dc 100644
--- a/clang/lib/Headers/smmintrin.h
+++ b/clang/lib/Headers/smmintrin.h
@@ -1186,7 +1186,8 @@ static __inline__ int __DEFAULT_FN_ATTRS
_mm_testnzc_si128(__m128i __M,
/* SSE4 64-bit Packed Integer Comparisons. */
/// Compares each of the corresponding 64-bit values of the 128-bit
-///integer vectors for equality.
+///integer vectors for equality. Returns zero for false and all 1's for
+///true in corresponding elements of the result.
///
/// \headerfile
///
@@ -2303,7 +2304,8 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_minpos_epu16(__m128i __V) {
/* SSE4.2 Compare Packed Data -- Greater Than. */
/// Compares each of the corresponding 64-bit values of the 128-bit
///integer vectors to determine if the values in the first operand are
-///greater than those in the second operand.
+///greater than those in the second operand. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index 47368f3c23d2d6..d8ad5ae526a45f 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -474,8 +474,8 @@ _mm_xor_ps(__m128 __a, __m128 __b)
}
/// Compares two 32-bit float values in the low-order bits of both
-///operands for equality and returns the result of the comparison in the
-///low-order bits of a vector [4 x float].
+///operands for equality and returns the result of the comparison (zero for
+///false, all 1's for true) in the low-order bits of a vector [4 x float].
///
/// \headerfile
///
@@ -496,7 +496,8 @@ _mm_cmpeq_ss(__m128 __a, __m128 __b)
}
/// Compares each of the corresponding 32-bit float values of the
-///128-bit vectors of [4 x float] for equality.
+///128-bit vectors of [4 x float] for equality. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -516,7 +517,8 @@ _mm_cmpeq_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than the
///corresponding value in the second operand and returns the result of the
-///comparison in the low-order bits of a vector of [4 x float].
+///comparison (zero for false, all 1's for true) in the low-order bits of a
+///vector of [4 x float].
///
/// \headerfile
///
@@ -538,7 +540,8 @@ _mm_cmplt_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than those in the second operand.
+///operand are less than those in the second operand. Returns zero for
+///false and all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -558,8 +561,8 @@ _mm_cmplt_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than or
///equal to the corresponding value in the second operand and returns the
-///result of the comparison in the low-order bits of a vector of
-///[4 x float].
+///result of the comparison (zero for false, all 1's for true) in the
+///low-order bits of a vector of [4 x float].
///
/// \headerfile
///
@@ -581,7 +584,9 @@ _mm_cmple_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than or equal to those in the second operand.
+///operand are less than or equal to those in the second operand. Returns
+///zero for false and all 1's for true in corresponding elements of the
+///result.
///
/// \headerfile
///
@@ -601,7 +606,8 @@ _mm_cmple_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is greater than
///th
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
pogo59 wrote: @RKSimon note this will affect what the tooltips show. Is that okay? https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
github-actions[bot] wrote: :warning: C/C++ code formatter, clang-format found issues in your code. :warning: You can test this locally with the following command: ``bash git-clang-format --diff b334664f9f3a098b6f3fd9cfd17b856a9edfe446 1d691620a0ef9632d85e4691dc644352d4abf2b2 -- clang/lib/Headers/emmintrin.h clang/lib/Headers/smmintrin.h clang/lib/Headers/xmmintrin.h `` View the diff from clang-format here. ``diff diff --git a/clang/lib/Headers/emmintrin.h b/clang/lib/Headers/emmintrin.h index 43ec61bbe8..f3e6843b93 100644 --- a/clang/lib/Headers/emmintrin.h +++ b/clang/lib/Headers/emmintrin.h @@ -1093,8 +1093,8 @@ static __inline__ int __DEFAULT_FN_ATTRS _mm_comineq_sd(__m128d __a, /// Compares the lower double-precision floating-point values in each of ///the two 128-bit floating-point vectors of [2 x double] for equality. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///double-precision values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower double-precision values is NaN, returns 0. /// /// \headerfile /// @@ -1117,8 +1117,8 @@ static __inline__ int __DEFAULT_FN_ATTRS _mm_ucomieq_sd(__m128d __a, ///the value in the first parameter is less than the corresponding value in ///the second parameter. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///double-precision values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower double-precision values is NaN, returns 0. /// /// \headerfile /// @@ -1141,8 +1141,8 @@ static __inline__ int __DEFAULT_FN_ATTRS _mm_ucomilt_sd(__m128d __a, ///the value in the first parameter is less than or equal to the ///corresponding value in the second parameter. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///double-precision values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower double-precision values is NaN, returns 0. /// /// \headerfile /// @@ -1165,8 +1165,8 @@ static __inline__ int __DEFAULT_FN_ATTRS _mm_ucomile_sd(__m128d __a, ///the value in the first parameter is greater than the corresponding value ///in the second parameter. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///double-precision values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower double-precision values is NaN, returns 0. /// /// \headerfile /// @@ -1213,8 +1213,8 @@ static __inline__ int __DEFAULT_FN_ATTRS _mm_ucomige_sd(__m128d __a, ///the value in the first parameter is unequal to the corresponding value in ///the second parameter. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///double-precision values is NaN, 1 is returned. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower double-precision values is NaN, 1 is returned. /// /// \headerfile /// diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h index 5151ff6a45..ae7529c129 100644 --- a/clang/lib/Headers/xmmintrin.h +++ b/clang/lib/Headers/xmmintrin.h @@ -1046,8 +1046,8 @@ _mm_cmpunord_ps(__m128 __a, __m128 __b) /// Compares two 32-bit float values in the low-order bits of both ///operands for equality. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///floating-point values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower floating-point values is NaN, returns 0. /// /// \headerfile /// @@ -1071,8 +1071,8 @@ _mm_comieq_ss(__m128 __a, __m128 __b) ///operands to determine if the first operand is less than the second ///operand. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///floating-point values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower floating-point values is NaN, returns 0. /// /// \headerfile /// @@ -1096,8 +1096,8 @@ _mm_comilt_ss(__m128 __a, __m128 __b) ///operands to determine if the first operand is less than or equal to the ///second operand. /// -///The comparison returns 0 for false, 1 for true. If either of the two lower -///floating-point values is NaN, returns 0. +///The comparison returns 0 for false, 1 for true. If either of the two +///lower floating-point values is NaN, returns 0. /// /// \headerfile /// @@ -1120,8 +1120,8 @@ _mm_comile_ss(__m128 __a, __m128 __b) ///operands to determine if the first operand is greater than the second ///operand. /// -///The comparison returns 0 for false, 1 for t
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
https://github.com/pogo59 updated
https://github.com/llvm/llvm-project/pull/83316
>From 2afca3e91d96cc77f43556bbf71b6e60a22e45f2 Mon Sep 17 00:00:00 2001
From: Paul Robinson
Date: Wed, 28 Feb 2024 11:04:41 -0800
Subject: [PATCH 1/3] [Headers][X86] Add specific results to comparisons
Comparison intrinsics were described as returning the "result" without
specifying how. The "cmp" intrinsics return zero or all 1's in the
corresponding elements of a returned vector; the "com" intrinsics return
an integer 0 or 1.
Also removed some redundant information.
---
clang/lib/Headers/smmintrin.h | 6 +-
clang/lib/Headers/xmmintrin.h | 146 +++---
2 files changed, 85 insertions(+), 67 deletions(-)
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h
index 005d7db9c3c308..ba593835b9b3dc 100644
--- a/clang/lib/Headers/smmintrin.h
+++ b/clang/lib/Headers/smmintrin.h
@@ -1186,7 +1186,8 @@ static __inline__ int __DEFAULT_FN_ATTRS
_mm_testnzc_si128(__m128i __M,
/* SSE4 64-bit Packed Integer Comparisons. */
/// Compares each of the corresponding 64-bit values of the 128-bit
-///integer vectors for equality.
+///integer vectors for equality. Returns zero for false and all 1's for
+///true in corresponding elements of the result.
///
/// \headerfile
///
@@ -2303,7 +2304,8 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_minpos_epu16(__m128i __V) {
/* SSE4.2 Compare Packed Data -- Greater Than. */
/// Compares each of the corresponding 64-bit values of the 128-bit
///integer vectors to determine if the values in the first operand are
-///greater than those in the second operand.
+///greater than those in the second operand. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index 47368f3c23d2d6..d8ad5ae526a45f 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -474,8 +474,8 @@ _mm_xor_ps(__m128 __a, __m128 __b)
}
/// Compares two 32-bit float values in the low-order bits of both
-///operands for equality and returns the result of the comparison in the
-///low-order bits of a vector [4 x float].
+///operands for equality and returns the result of the comparison (zero for
+///false, all 1's for true) in the low-order bits of a vector [4 x float].
///
/// \headerfile
///
@@ -496,7 +496,8 @@ _mm_cmpeq_ss(__m128 __a, __m128 __b)
}
/// Compares each of the corresponding 32-bit float values of the
-///128-bit vectors of [4 x float] for equality.
+///128-bit vectors of [4 x float] for equality. Returns zero for false and
+///all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -516,7 +517,8 @@ _mm_cmpeq_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than the
///corresponding value in the second operand and returns the result of the
-///comparison in the low-order bits of a vector of [4 x float].
+///comparison (zero for false, all 1's for true) in the low-order bits of a
+///vector of [4 x float].
///
/// \headerfile
///
@@ -538,7 +540,8 @@ _mm_cmplt_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than those in the second operand.
+///operand are less than those in the second operand. Returns zero for
+///false and all 1's for true in corresponding elements of the result.
///
/// \headerfile
///
@@ -558,8 +561,8 @@ _mm_cmplt_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is less than or
///equal to the corresponding value in the second operand and returns the
-///result of the comparison in the low-order bits of a vector of
-///[4 x float].
+///result of the comparison (zero for false, all 1's for true) in the
+///low-order bits of a vector of [4 x float].
///
/// \headerfile
///
@@ -581,7 +584,9 @@ _mm_cmple_ss(__m128 __a, __m128 __b)
/// Compares each of the corresponding 32-bit float values of the
///128-bit vectors of [4 x float] to determine if the values in the first
-///operand are less than or equal to those in the second operand.
+///operand are less than or equal to those in the second operand. Returns
+///zero for false and all 1's for true in corresponding elements of the
+///result.
///
/// \headerfile
///
@@ -601,7 +606,8 @@ _mm_cmple_ps(__m128 __a, __m128 __b)
/// Compares two 32-bit float values in the low-order bits of both
///operands to determine if the value in the first operand is greater than
///th
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
RKSimon wrote: > @RKSimon note this will affect what the tooltips show. Is that okay? I think so - we're just losing the extra info about -1/0 or 1/0 result values? https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
pogo59 wrote: > I think so - we're just losing the extra info about -1/0 or 1/0 result values? That's my understanding. I haven't actually tried regenerating the tooltips to check. https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] [Headers][X86] Add specific results to comparisons (PR #83316)
https://github.com/pogo59 closed https://github.com/llvm/llvm-project/pull/83316 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
